2.8 and 2.9 Review

Question 1

Which equations are equivalent?

Accepted Answer

B, D

Question 2

Solve the equation 4x + 8y = 12 for x and select the correct answer below:

Accepted Answer

x = 3 - 2y

Question 3

Read the situation. If we know the first equation is correct, what is wrong with the second one?

Accepted Answer

He should have divided by 0.10

Question 4

Division is the opposite operation from subtraction.

Accepted Answer

False

Question 5

What is an equivalent equation to x = 10?

Accepted Answer

3x = 30

Question 6

Jenna rewrote this equation. Which acceptable move did she make to create the second equation?

Accepted Answer

Added 3 to both sides

Question 7

Solve the equation 24 = 12x + 6y for y and select the correct answer below:

Accepted Answer

y = 4 - 2x

Question 8

An event planner expects 150 people to attend. There are small tables that seat 6 people and large tables for 10.

Accepted Answer

6x + 10y = 150

Question 9

Laura rewrote this equation. Which acceptable move did she make to create the second equation?

Accepted Answer

Applied the distributive property

Question 10

Which equation allows us to easily find h?

Accepted Answer

C

Question 11

The opposite operation of multiplication is...

Accepted Answer

Division

Question 12

To check if a value is a solution, I can plug it into my equation

Accepted Answer

True

Question 13

Find an equivalent equation

Accepted Answer

B

Question 14

Read the situation. If we know the first equation is correct, what is wrong with the second one?

Accepted Answer

13.5 should be divided by 2

Questions 14