PreAlgebra Unit 2 Test Review

Front

Simplify and factor the expression: 3a - 5(a + 2b) + 8(4a - b)

Back

6(5a - 3b)

Front

Back

Front

What is the algebraic expression for 'the product of -6 and a number'?

Back

-6x

Front

Factor the expression: 40a + 24b

Back

8(5a + 3b)

Front

Back

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the distributive property?

Back

a(b + c) = ab + ac.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor in a term of an expression.

Front

What is the difference between an expression and an equation?

Back

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