Unit 3 Assessment

Front

Simplify by combining like terms: 5a + 2b - 3a + 4

Back

2a + 2b + 4

Front

Evaluate a^2 - b^2 if a=4 and b=2

Back

12

Front

Which is an example of the Associative Property of Addition? (3 + 8) + 5 = 3 + (8 + 5)

Back

(3 + 8) + 5 = 3 + (8 + 5) is an example of the Associative Property of Addition.

Front

Find the equivalent expression: 9 x 9 x 9 x 9 x 9

Back

9^5

Front

If it costs $125 to set up service for a smartphone and an additional $40 per month, how much would it cost for m months of cell service?

Back

125 + 40m

Front

What is the definition of like terms in algebra?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What is the Associative Property of Addition?

Back

The Associative Property of Addition states that the way in which numbers are grouped does not change their sum.

Front

What is the definition of an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators without an equality sign.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to make it easier to understand.

Front

What is the difference between an equation and an expression?

Back

An equation has an equality sign and shows that two expressions are equal, while an expression does not.