Unit 2 Review

What is the value of x in the equation

13x - 2(x + 4) = 8x + 1?

• 1

• 2

• 3

• 4

A teacher asked the class to solve the equation 3(x + 2)=21. Robert wrote 3x + 6 = 21 as his first step. Which property did he use?

• associative property

• commutative property

• distributive property

• zero property of addition

The drama club sold tickets to a play for $5 each.  They also made $55 in soda and popcorn sales.  If the drama club made a total of $290, how many tickets were sold?

• 47
• 58
• 69
• 113

Tags

CCSS.7.EE.B.4A

• I and III

• I and IV

• II and III

• II and IV

Solve:

C = 2πr, for r

• $\frac{C}{2\pi}=r$

• C + 2π = r

• C - 2π = r

• 2πC = r

2(x + 2) ≤ 3(x - 3)

• x ≤ -5

• x ≥ 5

• x ≥ 13

• x ≤ 13

Solve and graph the inequality.
77 ≤ 5 + 8n

• A
• B
• C
• D

Tags

CCSS.7.EE.B.4B

The math department needs to buy new textbooks and laptops for the computer science classroom. The textbooks cost $116.00 each, and the laptops cost $439.00 each. If the math department has $6500 to spend and purchases 30 textbooks, how many laptops can they buy?

• 6

• 7

• 11

• 12

ax + c = R

(solve for x)

• ax = R + c

• ax = R - c

• x = a(R-c)

• $x=\frac{R-c}{a}$

 $7x-3=7x+5$  

• No Solution

• Infinite Solutions

•  $x=2$  

•  $x=8$  

Tags

CCSS.8.EE.C.7A