Test Review Quizizz

Multiple Choice

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63
• 7x = 63
• 7x - 35 = 63
• 35x + 7 = 63

Multiple Choice

Solve the equation.

• x = 0.6

• x = 2.3

• x = 4

• x = -1

Multiple Choice

What is the first step in solving this equation?

• subtract 3 to both sides

• subtract the 6 - 2

• distribute 2

• distribute -2

Multiple Choice

4x+9=-2x-15

• x=-4
• x=-24
• x=-6
• x=1

Multiple Choice

Solve:

6(y + 4) = 6y + 10

• y = 10

• y = 24

• infinitely many solutions

• no solutions

Multiple Choice

Two more than 4 times a number is -18.

• 4x + 2 = -18
• 2x + 4 = -18
• 18 = 4x +2

Multiple Choice

Sarah earns $20 upfront and $6 an hour. Select the equation that models this situation where x is the number of hours worked and y is the total money earned.

• y = 20x + 6

• y = 6x + 20

• y = 6x

• y = -6x + 20

Multiple Choice

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y = 8x + 50

• C = 50m +8

• y = 50x + 8

• C = 8m + 50

Multiple Choice

Solve for x:
4(1-x)+3x=-2(x+1)

• x = -6
• x = 6
• x = 3

Multiple Choice

Which of the following setups would be used to find four consecutive integers?

• n
  n+2
  n+4
  n+6
• n
  2n
  4n
  6n
• n+1
  n+2
  n+3
  n+4
• n
  n+1
  n+2
  n+3

Multiple Choice

Which expressions can be used to represent the sum of 3 consecutive odd integers?

• n+1, n+2, n+3
• n, n+1, n+3
• n, n+1, n+2
• n, n+2, n+4

Multiple Choice

pV = nRT

solve for R

• R= p/n + V/T

• R= pV - nT

• R= (pV-n)/T

• R=pV/nT

Multiple Choice

$$S=\frac{1}{2}at^2$$  
Solve for  $$t^{ }$$  

• $$t=\ \sqrt[]{\frac{2S}{a}}$$  

• $$t^{ }=\sqrt[]{\frac{1}{2}S}-a$$  

• $$t^{ }=2S-a$$  

• $$t^{ }=\frac{a}{2S}$$