Unit 1 Review

Solve:
-7(z - 6) = -70

• 16
• -16
• 8
• -1/2

Tags

CCSS.7.EE.B.4A

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Solve for a.

• a = pw
• a = p/w
• a = w/p
• a = w + p

Pick the correct inequality.

• A
• B
• C
• D

three-fifths of a number is greater than the number plus twenty

• 3/5g > g + 20
• 3/5g < g + 20
• 5/3 > g + 20
• 5/3 < g + 20

Tags

CCSS.6.EE.B.8

Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
5x + 6 = 2 + 3x

• one
• no solutions
• infinite solutions

Tags

CCSS.8.EE.C.7A

What are two solutions to x < 8?

• 8.6, 7.9
• 11, 16
• 0.8, 5.9
• 12, 7.1

Angelina rents a bounce house for a birthday party for a delivery fee of $100 plus a rental fee of $20 per hour.  Write an equation if the total charge was $220.

• 20 (x + 100) = 220
• 220 + 100 = 20x
• 220 = 20x + 100
• 100x + 20 = 220

What is the variable in this problem?
Kristen bought a dozen donuts. She and her 3 friends ate some of them. Then she had 2 donuts left. How many donuts did she and her friends eat?

• How many donuts she started with.
• How many donuts she and her friends ate.
• How many friends she has.
• How many donuts she had left.

Solve for x:
10x + 9 = 4x - 9

• 0
• 3
• -3
• -18