Parts of Expressions - Unit 1

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

• Expression
• Simplify
• Evaluate
• Terms

Which of the following are like terms? 

• 8x, x²
• 9v, -3x
• 7z, -9z
• 8, 4a

A number, variable or the product of a number and variable(s).  Addition or subtraction sign separates each of these. 

• Coefficient
• Exponent
• Variable
• Terms

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

• 5, 2, -6
• 5, 2
• 5
• -6

Numbers or expressions being multiplied

• Terms
• Variables
• Factors
• Constant

Which of the following are NOT like terms? 

• 7x, -9x
• 2y³, 5y²
• x³, 9x³ 
• 8a, 2a

The numerical part of a term containing a variable. 

• Term
• Coefficient
• Variable
• Constant

Which of the following are like terms?

• 3x, 10a
• 9, -3
• 5x², 6x³
• 4r, 7s

This number represents the number of times a base is used as a factor.  

• Exponents
• Variable
• Constant
• Term

Identify the term(s) of the following expression:  
-5x³ + 4x² - 8x - 7

• -5x³ , 4x² , -8x , -7
• -5x³ , 4x² , -8x
• -5, 4, -8, -7
• -7