Evaluate Variable Expressions With Exponents

An expression that contains at least one variable

• Algebraic Expression

• Base

• Coefficient

• Exponent

A number that tells how many times a base is used as a factor

• Exponent

• Variable

• Terms

• Coefficients

A term with a base and an exponent.

• Standard

• Solution

• Evaluation

• Power

The number that represents how many times to multiply a number.

• Power

• Base

• Exponent

• Variable

17²

• 269

• 279

• 289

• 299

12²

• 124

• 134

• 144

• 121

• A

• B

• C

• D

Rule: Divide powers with the same base, ______ the base and __________ the exponent

• Add, Keep

• Subtract, Keep

• Keep, Subtract

• Keep, Add

To find the value of an algebraic expression by substituting a number for each variable and simplifying. 

• Expression

• Simplify

• Evaluate

• Terms

Identify the coefficient(s) in the following expression: 
5x² + 2x - 6 

• 5, 2, -6

• 5, 2

• 5

• -6