Generating Equivalent Expressions

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.

Front

Simplify: 9z - 2z

Back

(9 - 2)z = 7z

Front

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

Back

22

Front

What does z + 3 represent in terms of distance?

Back

It represents three inches beyond z.

Front

Evaluate: bc + 5a when a = 3, b = 4, and c = -6

Back

-9

Front

Simplify: 4b + 9 + 3b

Back

7b + 9

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

Simplify: 5x + 3x - 2x

Back

(5 + 3 - 2)x = 6x

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both.