Question 1

Use substitution to determine whether the given ordered pair is a solution of the given equation.
-$( 4,3 ) ; x ^ { 2 } + y ^ { 2 } = 25$
A) Yes
B) No

Accepted Answer

The answer of Use substitution to determine whether the given...

Question 2

Solve the equation.
-2(x+3)=3-4(x+3)
A) $\frac { 1 } { 6 }$
B) 15
C) $- \frac { 5 } { 2 }$
D) $\frac { 5 } { 2 }$

Accepted Answer

The answer of Solve the equation.
-2(x+3)=3-4(x+3)
A) \(\frac { 1 }...

Question 3

Solve the problem.
-In triangle ABC, angle A is three times as large as angle C. The measure of angle B is 15° less than that of angle C. Find the measure of the angles.

Accepted Answer

A) 117°, 24° and 39° 
B) 78°, 24° and 78° 
C) 117°, 24° and 78° 
D) 78°, 24° and 39°

Question 4

Solve and write interval notation for the solution set. Then graph the solution set.
-$- 1 < - 5 x + 4 \leq 19$

A) $[ - 1,3 )$

B) $[ - 3,1 )$

C) $( - 3,1 ]$

D) $( - 1,3 ]$

Accepted Answer

The answer of Solve and write interval notation for the...

Question 5

Graph the function.
-$f ( x ) = x ^ { 2 } - 3$

A)  
B) 
C) 
D)

Accepted Answer

The answer of Graph the function.
-\(f ( x ) =...

Question 6

Find the zero of the linear function.
-f(x)=4-9 x
A) $\frac { 9 } { 4 }$
B) $- \frac { 9 } { 4 }$
C) $\frac { 4 } { 9 }$
D) $- \frac { 4 } { 9 }$

Accepted Answer

The answer of Find the zero of the linear function.
-f(x)=4-9...

Question 7

Find the slope of the line.
-
A) $- \frac { 3 } { 4 }$
B) $\frac { 3 } { 4 }$
C) $- \frac { 4 } { 3 }$
D) $\frac { 4 } { 3 }$

Accepted Answer

The answer of Find the slope of the line.
-
A) \(-...

Question 8

Find the coordinates of the points shown on the graph.
-
A) A:  (4,3), B:(2,3) 
B) A:  (4,2), B:(-3,3) 
C) A:  (2,24), B:(3,-3) 
D) A:  (4,2) , B:  (3,-3) 0

Accepted Answer

The answer of Find the coordinates of the points shown...

Question 9

Write equations of the horizontal and the vertical lines that pass through the given point.
-$\left( - 4 , \frac { 2 } { 5 } \right)$
A) horizontal: $y = - \frac { 2 } { 5 }$ vertical:  x=-4 
B) horizontal: y=-4 ; vertical: $x = \frac { 2 } { 5 }$
C) horizontal: $y = \frac { 2 } { 5 } x$ vertical:  x=-4 y 
D) horizontal: $y = \frac { 2 } { 5 }$ vertical:  x=-4

Accepted Answer

The answer of Write equations of the horizontal and the...

Question 10

Find the slope of the line containing the given points.
- (9,4)  and  (5,2) 
A) $\frac { 1 } { 2 }$
B) 2
C) $- \frac { 1 } { 2 }$
D) $\frac { 3 } { 7 }$

Accepted Answer

The answer of Find the slope of the line containing...

Question 11

Solve the problem.
-The function h described by $h ( t ) = - 16 t ^ { 2 } + 33.1 t + 124.26$ gives the height of a ball thrown upward with a speed of  33.1  feet per second from a  124.26ft  high window  t  seconds after it is thrown until it hits the ground. Find the height of the ball  1.4  seconds after it is thrown.

Accepted Answer

A)   139.24 ft 
B)   201.96 ft 
C)   109.28 ft 
D)   46.56 ft

Question 12

Solve the problem.
-Water accounts for 60% of a man's weight. Stan weighs 174 lb. How much of his body weight is water?

Accepted Answer

A) 87 lb 
B) 174 lb 
C) 104 lb 
D) 139 lb

Question 13

Find the slope of the line.
-
A) -8 
B) $- \frac { 1 } { 8 }$ 
C) $\frac { 1 } { 8 }$
D) 8

Accepted Answer

The answer of Find the slope of the line.
-
A) -8...

Question 14

Determine the equation of the line described. Put answer in the slope-intercept form, if possible.
-Through (4,-3), paralle to -7 x+9 y=-109 
A) $y = \frac { 9 } { 7 } x + \frac { 3 } { 7 }$
B) $y = - \frac { 7 } { 9 } x + \frac { 55 } { 9 }$
C) $y = \frac { 7 } { 9 } x - \frac { 55 } { 9 }$
D) $y = - \frac { 4 } { 9 } x - \frac { 109 } { 9 }$

Accepted Answer

The answer of Determine the equation of the line described....

Question 15

Find the slope of the line containing the given points.
-(-1,7) and (-1,-9) 
A) 0
B) -8 
C) 1
D) not defined

Accepted Answer

The answer of Find the slope of the line containing...

Question 16

Find the domain of the function.
-$f ( x ) = \frac { 8 } { \sqrt { 5 - x } }$
A) $\{ x \mid x \geq - 5 \} , \text { or } [ - 5 , \infty )$
B) $\{ x \mid x \geq 5 \} , \text { or } [ 5 , \infty )$
C) $\{ x \mid x < 5 \} , \text { or } ( - \infty , 5 )$
D) $\{ x \mid x < - 5 \} , \text { or } ( - \infty , - 5 )$

Accepted Answer

The answer of Find the domain of the function.
-\(f (...

Question 17

Use the given graph to find the x-intercept and the zero of the function.
-
A) (1,0); 1
B) (3,0); 3
C) (0,0); 0
D) (3,1); 3

Accepted Answer

The answer of Use the given graph to find the...

Question 18

Find the center and radius of the circle.
-$( x + 6 ) ^ { 2 } + ( y + 9 ) ^ { 2 } = 1$
A)  (-9,-6) ; 1 
B)  (9,6) ; 1 
C)  (-6,-9) ; 1 
D)  (6,9) ; 1

Accepted Answer

The answer of Find the center and radius of the...

Question 19

Plot the two points given by the ordered pairs.
-A(-4, -4), B(-6, 2)

A)  
B) 
C)  
D)

Accepted Answer

The answer of Plot the two points given by the...

Question 20

Is the following correspondence a function?
-
A)Yes
B)No

Accepted Answer

The answer of Is the following correspondence a function?
-
A)Yes
B)No...

Exam 1: Graphs, Functions, and Models

Use substitution to determine whether the given ordered pair is a solution of the given equation. - $( 4,3 ) ; x ^ { 2 } + y ^ { 2 } = 25$ A) Yes B) No

Solve the equation. -2(x+3)=3-4(x+3) A) $\frac { 1 } { 6 }$ B) 15 C) $- \frac { 5 } { 2 }$ D) $\frac { 5 } { 2 }$

Solve the problem. -In triangle ABC, angle A is three times as large as angle C. The measure of angle B is 15° less than that of angle C. Find the measure of the angles.

Find the zero of the linear function. -f(x)=4-9 x A) $\frac { 9 } { 4 }$ B) $- \frac { 9 } { 4 }$ C) $\frac { 4 } { 9 }$ D) $- \frac { 4 } { 9 }$

Find the slope of the line. - $Find the slope of the line. - A) - \frac { 3 } { 4 } B) \frac { 3 } { 4 } C) - \frac { 4 } { 3 } D) \frac { 4 } { 3 }$ A) $- \frac { 3 } { 4 }$ B) $\frac { 3 } { 4 }$ C) $- \frac { 4 } { 3 }$ D) $\frac { 4 } { 3 }$

Find the coordinates of the points shown on the graph. - A) A: (4,3), B:(2,3) B) A: (4,2), B:(-3,3) C) A: (2,24), B:(3,-3) D) A: (4,2) , B: (3,-3) 0

Find the slope of the line containing the given points. - (9,4) and (5,2) A) $\frac { 1 } { 2 }$ B) 2 C) $- \frac { 1 } { 2 }$ D) $\frac { 3 } { 7 }$

Solve the problem. -Water accounts for 60% of a man's weight. Stan weighs 174 lb. How much of his body weight is water?

Find the slope of the line. - $Find the slope of the line. - A) -8 B) - \frac { 1 } { 8 } C) \frac { 1 } { 8 } D) 8$ A) -8 B) $- \frac { 1 } { 8 }$ C) $\frac { 1 } { 8 }$ D) 8

Find the slope of the line containing the given points. -(-1,7) and (-1,-9) A) 0 B) -8 C) 1 D) not defined

Use the given graph to find the x-intercept and the zero of the function. - A) (1,0); 1 B) (3,0); 3 C) (0,0); 0 D) (3,1); 3

Find the center and radius of the circle. - $( x + 6 ) ^ { 2 } + ( y + 9 ) ^ { 2 } = 1$ A) (-9,-6) ; 1 B) (9,6) ; 1 C) (-6,-9) ; 1 D) (6,9) ; 1

Plot the two points given by the ordered pairs. -A(-4, -4), B(-6, 2) A) B) C) D)

Is the following correspondence a function? - A)Yes B)No

Exam 1: Graphs, Functions, and Models

Use substitution to determine whether the given ordered pair is a solution of the given equation. - (4,3);x2+y2=25( 4,3 ) ; x ^ { 2 } + y ^ { 2 } = 25(4,3);x2+y2=25 A) Yes B) No

Solve the equation. -2(x+3)=3-4(x+3) A) 16\frac { 1 } { 6 }61​ B) 15 C) −52- \frac { 5 } { 2 }−25​ D) 52\frac { 5 } { 2 }25​

Solve the problem. -In triangle ABC, angle A is three times as large as angle C. The measure of angle B is 15° less than that of angle C. Find the measure of the angles.

Solve and write interval notation for the solution set. Then graph the solution set. - −1<−5x+4≤19- 1 < - 5 x + 4 \leq 19−1<−5x+4≤19 A) [−1,3)[ - 1,3 )[−1,3) B) [−3,1)[ - 3,1 )[−3,1) C) (−3,1]( - 3,1 ](−3,1] D) (−1,3]( - 1,3 ](−1,3]

Graph the function. - f(x)=x2−3f ( x ) = x ^ { 2 } - 3f(x)=x2−3 A) B) C) D)

Find the zero of the linear function. -f(x)=4-9 x A) 94\frac { 9 } { 4 }49​ B) −94- \frac { 9 } { 4 }−49​ C) 49\frac { 4 } { 9 }94​ D) −49- \frac { 4 } { 9 }−94​

Find the slope of the line. - A) −34- \frac { 3 } { 4 }−43​ B) 34\frac { 3 } { 4 }43​ C) −43- \frac { 4 } { 3 }−34​ D) 43\frac { 4 } { 3 }34​