Module 5 Test Review 7th Grade Math

Front

What is the result of (-3x + 5) - (-7x + 2)?

Back

4x + 3

Front

Simplify 3(7s - 2) + (3s - 4) and write in factored form.

Back

2(12s - 5)

Front

What is 10xy - 15y written in factored form?

Back

5y(2x - 3)

Front

How can the expression for the cost of Noah's lunch after a 15% tip, c + 0.15c, be simplified?

Back

1.15c

Front

What is the GCF of 16m and 40mn?

Back

8m

Front

What is the distributive property in mathematics?

Back

a(b + c) = ab + ac

Front

Define a variable in algebra.

Back

A symbol used to represent an unknown value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does it mean to factor an expression?

Back

To write it as a product of its factors.

Front

What is the purpose of simplifying an expression?

Back

To make it easier to work with and understand.