Sign up for FREE

Mid Unit Quiz (Equations)

Last updated over 5 years ago

13 questions

You MUST show your work for FULL CREDIT. 
Do not put spaces in your answers. Show all of your work. 
Use labels on word problems.

1

Question 1

1.

Simplify an EXPRESSION for the perimeter of the equilateral triangle shown below.

1

1

1

Question 4

4.

8. Solve the equation below.

1

1

1

1

1

1

1

1

1

Question 2

2.

Simplify the expression by distributing and combining like terms.

Question 3

3.

Solve the equation below.

Question 5

5.

The perimeter of the rectangle below is 42 inches. Find the value of x. The side lengths are 5x and (x-3)

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Write and solve an equation based on the following description:
“11 less than three times a number is the same as 75 less than the product of -1 and the number”

WRITE THE EQUATION

Question 11

11.

Write and solve an equation based on the following description:
“11 less than three times a number is the same as 75 less than the product of -1 and the number”

WRITE THE SOLUTION

Question 12

12.

A video game store allows customers to rent games for $4.75 each. Customers can also buy a membership for $54 annually, and video games would only cost $2.50 each. Write and solve an equation to find the number of video games a customer would have to rent in a year in order for the two options to be equal.

WRITE THE EQUATION.

Question 13

13.

A video game store allows customers to rent games for $4.75 each. Customers can also buy a membership for $54 annually, and video games would only cost $2.50 each. Write and solve an equation to find the number of video games a customer would have to rent in a year in order for the two options to be equal.

WRITE THE SOLUTION.

Solve the equation below.

x=8

x=-8

x=17.5

x=4.16

A mountain gorilla weighs 135 pounds and is gaining 1/2 pound each week. An eastern gorilla
weighs 143 pounds and is losing 1/4 pound each week. Which of the following equations could be
used to determine x, the number of weeks that it will take until the two gorillas weigh the same amount?

A

B

C

D

Which of the following equations would have no solution?

10x + 3 = 3 + 10x

-8 + 16x = 16x – 8

4(2x–3) = 8x – 12

3(-2x+4) = -6x - 12

When solving an equation, Henry gets to the last line of his work and is left with “3 = 3”. What does this mean?

The solution is 3.

There is only one solution.

There is no solution.

There are infinite solutions.