JM0508824

Score: ______ / ______

Directions: Answer the questions below. Make sure to show your work when applicable.

1. Solve the absolute value equation. Check your solutions.

| 5x + 13| = –7 5x + 13 = -7 5x = -20 X = -4

2. Simplify the expression below.

6n2 - 5n2 + 7n2

6 – 5 + 7 = 8

=8n2

3. The total cost for 8 bracelets, including shipping was $54. The shipping charge was $6. Write an equation that models the cost of each bracelet.

8 x + 6 = 54 $8.00 each bracelets

4. The total cost for 8 bracelets, including shipping was $54. The shipping charge was $6. Determine the cost for each bracelet. Show your work

8x+6 =54

8x=54-6

8x = 48

X = 6

5. Solve the inequality. Show your work.

6y – 8 ≤ 10

6y – 18 into y-3

6. The figures below are similar. Find the missing length. Show your work. x = 1.8 in

7. What is 30% of 70? Show your work.

30% - .30

70 x.30 +21

8. Simplify the expression below.

-5-8

=13

9. Which property is illustrated by 6 x 5 = 5 x 6? Commutative property

10. Evaluate the expression for the given values of the variables. Show your work.

4t + 2u2 – u3; t = 2 and u = 1

4 (2) + 2 (1) 2 – (1) 3

8 + 2 – 1 = 1

11. Solve the inequality. Show your work.

|r + 3| ≥ 7

R + 3 = 7, r = - 10 and r =4

12. What percent of 60 is 12? Show your work.

12 = .2

60

.2 = 20%

13. Simplify the expression below. 169

=13

14. Sharon earns $25 per item she sells plus a base salary of $100 per week. Write and solve an inequality to find how many items she must sell to earn at least $700 per week. Provide your conclusion as a complete sentence.

25 x 100 = 700

15. Simplify the expression below. Show your work.

–(–7y + 12) -( - 7y + 12) 7y-12

16. Solve the equation. Show your work.

1a = 618

18=69

9= 18 = 3 6

17.