Practice Objectives
- Demonstrate the ability to evaluate an algebraic expression for given values
- Demonstrate the ability to determine if two or more terms represent "like terms"
- Demonstrate the ability to simplify an expression by combining "like terms"
Practice Identifying/Combining Like Terms and Evaluating Expressions
Instructions:
Answer 7/10 questions correctly to pass.
Problem:
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Combining Like Terms:
- Like terms have the same variable parts
- Note: Same variable(s)
- Note: Identical variables must have the same exponent
- Note: The coefficients can be different
- Note: The variables can be multiplied in a different order
- Perform the operation with the coefficients
- The variable part remains unchanged
- Ex: 5x + 3x = (5 + 3)x = 8x
- You can use the distributive property in reverse to make the process clear
- ab + ac = a(b + c)
Evaluating Algebraic Expressions:
- Substitute the given value for each variable in the expression
- Simplify using the order of operations
Step-by-Step:
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