Unit 4 Test Review

Front

What is the algebraic expression for the total amount of money contributed for food by you and four friends if each contributes the same amount m?

Back

5m

Front

Simplify the expression: 5a + 2b - 3a + 4

Back

2a + 2b + 4

Front

Expand and simplify: 3(x + 2) + 4(2x + 1)

Back

11x + 10

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

Write the expression 36 - 9x in factored form.

Back

9(4 - x)

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

Define 'like terms' in algebra.

Back

Terms that have the same variable raised to the same power.

Front

What does it mean to 'combine like terms'?

Back

To add or subtract coefficients of like terms.

Front

What is the distributive property?

Back

a(b + c) = ab + ac.

Front

What is the purpose of factoring an expression?

Back

To express it as a product of its factors.