Answer:
What are equivalent expressions?
Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value(s) for the variable(s).
Examples
What skills are tested?
Distributing coefficients and combining like terms in algebraic expressions
Recognizing equivalent algebraic expressions
Solving for an unknown coefficient using two equivalent expressions
Rearranging formulas containing 222 or more variables
