Algebra Unit 2 Lessons 1-6 Review

• x = -4
• x = 4
• x = -10
• x = 6

Tags

CCSS.6.EE.B.7

• x = 0
• x = 1
• x = -1
• no solution

Answer explanation

Be careful when distributing! This is a negative 3 on the outside that you're multiplying by.

Tags

CCSS.7.EE.B.4A

• c = 8
• c = -8
• c = 4
• c = -4

Tags

CCSS.7.EE.B.4A

• 2
• 6
• -2
• -6

Answer explanation

Remember to combine like terms! Like terms all have the same variable (letter).

Tags

CCSS.8.EE.C.7B

• x = 1
• x = 2
• x = 3
• x = 4

Answer explanation

Remember to start with the parentheses first! Start by distributing (multiplying) the 3 to EACH term inside the parentheses.

THEN look for like terms that you can combine.

Tags

CCSS.8.EE.C.7B

• x = 24
• x = 12
• x = 17.5
• x = 19.5

Answer explanation

Remember to get rid of the fraction first! Start by multiplying both sides by 4.

Tags

CCSS.7.EE.B.4A

Mallory bought pizza and soda for a party. If she spent $12.57 on the sodas and $10.95 for each pizza, which equation represents how many pizzas she bought if her total is $89.22?

Tags

CCSS.HSA.CED.A.3

Chocolate chip cookies cost $3.00 per cookie plus $2 for boxing them up in a decorated box. Which expression represents the total cost of x cookies?

• 3 + 2x

• 3x + 2

• 3x + 2x

• 5x

Tags

CCSS.HSA-SSE.A.1A

Dexter's Gym charges a one-time registration fee of $40 and costs $20 each month. Stephen spends a total of $340 after x months. How many months did Stephen pay for his gym membership?

Select two answers: One for the correct equation and One for the correct solution!

*You should have exactly 2 answers selected!

• 40x + 20 = 340

• 20x + 40 = 340

• x = 15 months

• x = 8 months

Tags

CCSS.7.EE.B.4A

Answer explanation

Remember that you can pick any value for x (except for 0) and plug it into each expression. If they give you the same value as the original, they are equivalent!

Tags

CCSS.6.EE.A.4