Mid Unit Quiz (Equations)

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

Simplify the expression by distributing and combining like terms.

Solve the equation below.

Solve the equation below.

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?

Which of the following equations would have no solution?

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

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

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.

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.