a) $30

b)$25 <---

c)$55

d)$5

4) Solve the equation or formula for the indicated variable.

S=3r^4t, for t

a)t=S/3 - t

b)t=r^4 - 3S

c)t= S/3r^4 <----

d)t=81r/S

5. Which inequality represents the following sentence?

Twelve fewer than a number is at least 18.

a)12+x less than or equal to 18

b)x-12 greater than or equal to 18 <----

c)12-x greater than or equal to 18

d)x-12<18

6. James has $40 to spend. He wants to buy 2 tickets to a show. He has to spend $7 to get where tickets are sold. The following inequality can be used to find out the highest price James can afford to pay for each ticket.

2x+7 less than or equal to 40

a)x less than or equal to 23.5

b) x less than or equal to 16.5 <----

c)x greater than or equal to 23.5

d)x greater than or equal to 16.5

7.What is the solutions to the compound inequality?

-8 less than or equal to 2x-4 < 2

a)-6 less than or equal to x < -4

b)-2 less than or equal to x < -1

c)0 less than or equal to x < 5

d)-2 less than or equal to x < 3 <---

8. Solve the absolute value equation.

|3x-4|=5

a)x=3 or x=-3 <----

b)x=3 pr x= -1/3

c)x=-3 or x= -1/3

d)x= -1/3 or x= 1/3

9. Which represents the solution to the absolute value equation?

5|2x-4|+1=11

a)x=1 or x=3

b)x=1 or x= -3 <----

c)x=3 or x= -3

d)x=6 or x= 1

10.Solve the inequality. Then graph solution.

|2x+7| less than or equal to 27

a)-17 less than or equal to x less than or equal to 10

b)-17 greater than or equal to x less than or equal to 10

c)x less than or equal - 10 or x greater than or equal to 10 <---

d)-34 less than or equal to x less than or equal to 20

## Answers

## Czarny333

The correct answers to the following questions above are:

(3) Considering the sign up fee and monthly membership fee for a gym, the equation c=30m+25 can be used to represent the total cost of a gym membership for m months. The amount of the sign up fee is B. 25

(4) Solve the equation or formula for the indicated variable.

S=3r^4t, for t C. t= S/3r^4

(5) Twelve fewer than a number is at least 18. B. x-12 greater than or equal to 18

(6) B. x less than or equal to 16.5

(7) D. -2 less than or equal to x < 3

(8) A. x=3 or x=-3

(9) B. x=1 or x= -3

(10) C. x less than or equal - 10 or x greater than or equal to 10