Topic 3 - Equivalent Expressions and Evaluating Expressions

Front

What are equivalent expressions?

Back

Expressions that have the same value for all values of the variable(s) involved.

Front

Simplify the expression: 5y + 3y^2 - y + 8 + 2y^2

Back

4y + 5y^2 + 8

Front

How many terms are in the expression: 5x + 9 - 4b?

Back

3

Front

What property is shown by the equation: (14 + 7) + 3 = 14 + (7 + 3)?

Back

Associative Property of Addition

Front

What property is shown by the equation: 95 • 1 = 95?

Back

Identity Property of Multiplication

Front

Find an equivalent expression for: 36x + 24.

Back

2(18x + 12)

Front

What are like terms?

Back

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

Front

What is the Commutative Property of Addition?

Back

Changing the order of the addends does not change the sum.

Front

What is the Distributive Property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by two or more terms inside a parenthesis.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.