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Deck 9: Quadratic Equations
Full screen (f)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation using the square root method. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation using the square root method. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
The square of the sum of a number and 2 is 9. Find the number.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
The displacement, in cubic inches, of a car engine is given by the formula 
where 
is the stroke and 
is the bore, as shown here, and 
is the number of cylinders. 
Calculate the bore for the car with six cylinders, 
inches of stroke, and 
cubic inches of displacement. Use 
to approximate 
Round the result to the nearest tenth of an inch. __________ in.
where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate Round the result to the nearest tenth of an inch. __________ in. Question
If you invest 
in an account with interest rate 
compounded annually, the amount of money 
in the account after 
years is given by the formula 
.
A)
B)
C)
D)
E)
in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula .A)
B)
C)
D)
E)
Question
Solve the equation using the square root method. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
The displacement, in cubic inches, of a car engine is given by the formula 
where 
is the stroke and 
is the bore, as shown here, and 
is the number of cylinders. 
Calculate the bore for the car with six cylinders, 
inches of stroke, and 
cubic inches of displacement. Use 
to approximate 
A)
B)
C)
D)
E)
where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate A)
B)
C)
D)
E)
Question
The lengths of all three sides of an equilateral triangle are 18 feet. Find the height of the triangle.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation using the square root method. 
Question
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation using the square root method. 
Question
Solve the equation using the square root method. 
Question
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation. 
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
Question
If you invest 
in an account with interest rate 
compounded annually, the amount of money 
in the account after 
years is given by the formula 
. Solve this formula for r .
in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula . Solve this formula for r . Question
Solve the equation. 
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation. 
Question
Solve the equation. 
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)none of these
A)
B)
C)
D)
E)none of these
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by using the quadratic formula. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
Solve the equation by using the quadratic formula. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by using the quadratic formula. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by using the quadratic formula. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Solve the equation by using the quadratic formula. 
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Question
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial. 
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
At the beginning of every football game, the referee flips a coin to see who will kick off. The equation that gives the height (in feet)of the coin tossed in the air is 
. To find the times at which the coin is 
feet above the ground we substitute 
for 
in the equation, giving us 
. Solve this equation for 
to find the times at which the coin is 
feet above the ground. 
A)
B)
C)
D)
E)
. To find the times at which the coin is feet above the ground we substitute for in the equation, giving us . Solve this equation for to find the times at which the coin is feet above the ground. A)
B)
C)
D)
E)
Question
Solve the equation by completing the square. 
Question
Solve the equation by completing the square. 
Question
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Full screen (f)
Deck 9: Quadratic Equations
1
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
2
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
3
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
4
Solve the equation using the square root method.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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5
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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6
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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7
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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8
Solve the equation using the square root method.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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9
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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10
The square of the sum of a number and 2 is 9. Find the number.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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11
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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12
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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13
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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14
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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15
The displacement, in cubic inches, of a car engine is given by the formula where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate Round the result to the nearest tenth of an inch. __________ in.
where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate Round the result to the nearest tenth of an inch. __________ in. Unlock Deck
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16
If you invest in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula .
A)
B)
C)
D)
E)
in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula .A)
B)
C)
D)
E)
Unlock Deck
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17
Solve the equation using the square root method.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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k this deck
18
The displacement, in cubic inches, of a car engine is given by the formula where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate
A)
B)
C)
D)
E)
where is the stroke and is the bore, as shown here, and is the number of cylinders. Calculate the bore for the car with six cylinders, inches of stroke, and cubic inches of displacement. Use to approximate A)
B)
C)
D)
E)
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19
The lengths of all three sides of an equilateral triangle are 18 feet. Find the height of the triangle.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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20
Solve the equation.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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21
Solve the equation using the square root method.
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22
The square of the sum of a number and 3 is 16. Find the number. (There are two solutions.)
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23
Solve the equation.
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24
Solve the equation.
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25
Solve the equation.
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26
Solve the equation.
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27
Solve the equation using the square root method.
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28
Solve the equation using the square root method.
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29
The lengths of all three sides of an equilateral triangle are 8 feet. Find the height of the triangle.
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30
Solve the equation.
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31
Solve the equation.
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32
Solve the equation.
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33
Solve the equation.
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34
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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35
Solve the equation.
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36
If you invest in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula . Solve this formula for r .
in an account with interest rate compounded annually, the amount of money in the account after years is given by the formula . Solve this formula for r . Unlock Deck
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k this deck
37
Solve the equation.
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38
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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39
Solve the equation.
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40
Solve the equation.
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41
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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42
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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43
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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44
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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45
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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46
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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47
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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48
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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49
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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50
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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51
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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Unlock Deck
k this deck
52
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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Unlock Deck
k this deck
53
Solve the equation by completing the square.
A)
B)
C)
D)
E)none of these
A)
B)
C)
D)
E)none of these
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54
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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55
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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56
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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57
An advertisement for a portable computer indicates it has a 17-inch viewing screen. This means that the diagonal of the screen measures 17 inches. If the ratio of the height to the width of the screen is 3 to 4, we can represent the height with 3 x and the width with 4 x , and then use the Pythagorean theorem to solve for x . Once we have x , the height will be 3 x and the width will be 4 x . Find the height and width of this computer screen to the nearest tenth of an inch.
A)Width = 13.6 in.; Height = 10.2 in.
B)Width = 11.6 in.; Height = 12.2 in.
C)Width = 15.6 in.; Height = 12.2 in.
D)Width = 10.2 in.; Height = 13.6 in.
A)Width = 13.6 in.; Height = 10.2 in.
B)Width = 11.6 in.; Height = 12.2 in.
C)Width = 15.6 in.; Height = 12.2 in.
D)Width = 10.2 in.; Height = 13.6 in.
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58
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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59
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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60
Solve the equation by completing the square.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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61
Solve the equation by using the quadratic formula.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
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62
Solve the equation by completing the square.
Unlock Deck
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k this deck
63
Solve the equation by completing the square.
Unlock Deck
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Unlock Deck
k this deck
64
Solve the equation by completing the square.
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65
Solve the equation by completing the square.
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66
Solve the equation by using the quadratic formula.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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67
Solve the equation by using the quadratic formula.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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68
Solve the equation by using the quadratic formula.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
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69
Solve the equation by completing the square.
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70
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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71
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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72
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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73
Solve the equation by using the quadratic formula.
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
Unlock Deck
Unlock for access to all 212 flashcards in this deck.
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74
Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.
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75
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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76
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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77
At the beginning of every football game, the referee flips a coin to see who will kick off. The equation that gives the height (in feet)of the coin tossed in the air is . To find the times at which the coin is feet above the ground we substitute for in the equation, giving us . Solve this equation for to find the times at which the coin is feet above the ground.
A)
B)
C)
D)
E)
. To find the times at which the coin is feet above the ground we substitute for in the equation, giving us . Solve this equation for to find the times at which the coin is feet above the ground. A)
B)
C)
D)
E)
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78
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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79
Solve the equation by completing the square.
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Unlock for access to all 212 flashcards in this deck.
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80
An advertisement for a portable computer indicates it has a 13-inch viewing screen. This means that the diagonal of the screen measures 13 inches. If the ratio of the height to the width of the screen is 3 to 4, we can represent the height with 3 x and the width with 4 x , and then use the Pythagorean theorem to solve for x . Once we have x , the height will be 3 x and the width will be 4 x . Find the height and width of this computer screen to the nearest tenth of an inch. Width = __________ in. Height = __________ in.
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Unlock Deck
Unlock for access to all 212 flashcards in this deck.
