Question 1

Write an inequality involving the variable x that describes the set of numbers graphed.
-

Accepted Answer

A)  -2 < x < 2 
B)  -2 $\le$x < 2 
C)  -2 $\le$ x $\le$2 
D)  -2 < x $\le$ 2

Question 2

Solve the problem.
-For what values of x would the rectangle have a perimeter of at least 170?

Accepted Answer

A)  17 or less 
B)  8 or less 
C)  17 or greater 
D)  8 or greater

Question 3

Solve the equation.
- = 7

Accepted Answer

A)  { 12} 
B)  { 1} 
C)  { 35} 
D)  { 11}

Question 4

Choose the one alternative that best completes the statement or answers the question Solve the equation.
--5(x - 6) - ( -6x + 7) = 9

Accepted Answer

A)  x = - 22 
B)  - 14 
C)  x = 32 
D)  x = 14

Question 5

A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.
-V =  $\pi$r3; r = 4,$\pi$ = 3.14

Accepted Answer

A)  66.99 
B)  803.85 
C)  85.33 
D)  267.95

Question 6

Solve the equation.
--0.34( 6000) + 0.8x = 0.04( 6000 + x)

Accepted Answer

A)  { 3100} 
B)  { 1500} 
C)  { 3000} 
D)  { 2900}

Question 7

Write the answer to the problem as an algebraic expression.
-Today the Center City baseball team scored 11 runs. The day before yesterday they scored y. How many runs did they score in these two days?

Accepted Answer

A)  11 + 2 y runs 
B)  11 + y runs 
C)  11 y runs 
D)  11 - y runs

Question 8

Translate the sentence into an equation using the variable x.
-5 times a number equals 6 less than 6 times the number.

Accepted Answer

A)  5x = 6 - 6x 
B)  5x = 6x - 6 
C)  5x = 6 - 6 
D)  5x - 6 = 6x

Question 9

Decide whether the proportion is true or false.
- =

Accepted Answer

A) True 
 B)False

Question 10

Choose the one alternative that best completes the statement or answers the question Solve the equation.
-3(2x - 5) = 5(x + 2)

Accepted Answer

A)  x = -5 
B)  25 
C)  x = 5 
D)  x = -2

Question 11

Solve the equation.
-0.222x + 3 = 1.222x

Accepted Answer

A)  { 6} 
B)  { 0.333} 
C)  { -3} 
D)  { 3}

Question 12

Solve the formula for the specified variable.
-V =  Bh for h

Accepted Answer

A)  h =  
B)  h =  
C)  h =  
D)  h =

Question 13

Solve the inequality. Write the solution set in interval notation and graph it.
--12 - 9t + 2 $\ge$ -10t - 18

Accepted Answer

A)  (-$\infty$, -8]
 
B)  ( -9, $\infty$)
 
C)  [-8, $\infty$)
 
D)  (-$\infty$, -9)

Question 14

Write an inequality involving the variable x that describes the set of numbers graphed.
-

Accepted Answer

A)  x $\ge$ 7 
B)  x > 7 
C)  x $\le$ 7 
D)  x < 7

Question 15

Write each inequality in interval notation and graph the interval on a number line.
-0 < x < 4

Accepted Answer

A)  ( 0, 4]
 
B)  [ 0, 4]
 
C)  ( 0, 4)
 
D)  [ 0, 4)

Question 16

Choose the one alternative that best completes the statement or answers the question Solve the equation.
-8x - ( 5x - 1) = 2

Accepted Answer

A)   
B)   
C)   
D)

Question 17

Choose the one alternative that best completes the statement or answers the question.
-X + 1 = 2

Accepted Answer

A)  {-1} 
B)  {-3} 
C)  { 1} 
D)  { 3}

Question 18

Choose the one alternative that best completes the statement or answers the question Solve the equation.
-2(x + 6) = 3(x - 2)

Accepted Answer

A)  x = -18 
B)  x = 6 
C)  18 
D)  x = -6

Question 19

Solve the equation.
- +  = -

Accepted Answer

A)   
B)   
C)   
D)

Question 20

Use a formula to solve the problem
-Find the area of a triangle with height 7 m and base 11 m.

Accepted Answer

A)  77 m2  
B)  38.5 m2  
C)  9 m2  
D)  154 m2

Exam 3: Linear Equations and Inequalities in Two Variables; Functions

Write an inequality involving the variable x that describes the set of numbers graphed. - $Write an inequality involving the variable x that describes the set of numbers graphed. - A) -2 < x < 2 B) -2 \le x < 2 C) -2 \le x \le 2 D) -2 < x \le 2$

Solve the problem. -For what values of x would the rectangle have a perimeter of at least 170?

Solve the equation. - = 7

Choose the one alternative that best completes the statement or answers the question Solve the equation. --5(x - 6) - ( -6x + 7) = 9

Solve the equation. --0.34( 6000) + 0.8x = 0.04( 6000 + x)

Write the answer to the problem as an algebraic expression. -Today the Center City baseball team scored 11 runs. The day before yesterday they scored y. How many runs did they score in these two days?

Translate the sentence into an equation using the variable x. -5 times a number equals 6 less than 6 times the number.

Decide whether the proportion is true or false. - =

Choose the one alternative that best completes the statement or answers the question Solve the equation. -3(2x - 5) = 5(x + 2)

Solve the equation. -0.222x + 3 = 1.222x

Solve the formula for the specified variable. -V = Bh for h

Solve the inequality. Write the solution set in interval notation and graph it. --12 - 9t + 2 $\ge$ -10t - 18 $Solve the inequality. Write the solution set in interval notation and graph it. --12 - 9t + 2 \ge -10t - 18 A) (- \infty , -8] B) ( -9, \infty ) C) [-8, \infty ) D) (- \infty , -9)$

Write an inequality involving the variable x that describes the set of numbers graphed. - $Write an inequality involving the variable x that describes the set of numbers graphed. - A) x \ge 7 B) x > 7 C) x \le 7 D) x < 7$

Write each inequality in interval notation and graph the interval on a number line. -0 < x < 4

Choose the one alternative that best completes the statement or answers the question Solve the equation. -8x - ( 5x - 1) = 2

Choose the one alternative that best completes the statement or answers the question. -X + 1 = 2

Choose the one alternative that best completes the statement or answers the question Solve the equation. -2(x + 6) = 3(x - 2)

Solve the equation. - + = -

Use a formula to solve the problem -Find the area of a triangle with height 7 m and base 11 m.