Unit 4 Review

Front

Identify the variable in the expression 12m - 10.

Back

m

Front

What is the coefficient of x in the expression 8 + 5x - y?

Back

5

Front

Simplify the expression: 8(5 + w)

Back

40 + 8w

Front

Evaluate 24 - 4t for t = 4.

Back

8

Front

Which of the following is equivalent to 5(2x + 6)?

Back

10x + 30

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is a coefficient?

Back

A numerical factor in a term of an algebraic expression.

Front

What does it mean to simplify an expression?

Back

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

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a across the terms in parentheses.

Front

How do you evaluate an expression?

Back

Substitute the values of the variables and perform the operations.