Unit 2 Equations and Expressions Review

Evaluate the expression (4³ - 4) + 12 ÷ 3

• 64

• 12

• 24

• 6.6

Tags

CCSS.6.EE.A.1

Five times a number plus 4

• 5xn+4
• 5/n+4
• 5n+4
• n5+4

Tags

CCSS.6.EE.A.2A

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m
• 8m - 4
• 8m + 4
• 4m - 8

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

4 less than x 

• 4 - x
• x - 4
• 4x
• -4x

Tags

CCSS.6.EE.A.2A

Simplify:
4x + 9y - 2x + 3y + 7

• 21xy
• 6x + 12y + 7
• 2x² + 5y + 7
• 2x + 12y + 7

Tags

CCSS.7.EE.A.1

What is the value of x in this equation?
4x + 8 = -12

• 5
• -5
• 3
• -6

Tags

CCSS.7.EE.B.4A

Which situation is best represented by the equation 30x + 120 = 330 ?

• Tessa paid $330 for a gym membership. She paid a $30 registration fee and $120 per month for each month she belonged to the gym. What is x, the number of months Tessa has belonged to the gym? 
• Tessa and her best friend joined a gym. Tessa paid $30 for each month she was a member of the gym, and her best friend paid $120 for each month she was a member of the gym. Together, they paid a total of $330 for their gym memberships. What is x, the number of months Tessa and her best friend belonged to the gym?
• Tessa paid $330 for a gym membership. She paid a $120 registration fee as well as $30 per month for each month she belonged to the gym. What is x, the number of months Tessa has belonged to the gym?
• Tessa paid $330 for a gym membership. She paid $30 per month for each month she belonged to the gym. She had a $120 gym membership discount. What is x, the number of months Tessa has been a member of the gym?

Noelle had 2 bags of apples and 5 bags of oranges. Altogether, the bags weighed 22 pounds. Each bag of oranges weighs 3 pounds. Which equation could be used to determine a, the weight of each bag of apples? 

• 5a + 6 = 22
• 2a + 15 = 22
• 2a + 5 = 22
• 2a - 3 = 22