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8.2 Equations

Test Review

TermDefinition
Constant A term without a variable Ex. 5
Variable A symbol used to represent a quantity that can change Ex. x
Coefficient number in front of a variable (multiplied)
Like Terms Terms that contain the same variables raised to the same power.
Distributive Property a(b + c) = ab + ac
Solve 1-step Equation Do the opposite operation
Opposite Operation of Addition subtraction
Opposite Operation of Subtraction addition
Opposite Operation of Multiplication division
Opposite Operation of Division Multiplication
Solve a 2-step equation (get x by itself) Use the oppostie operation to 1. Add or subtract the CONSTANT (NUMBER) on the same side as the variable 2. Multiply or divide the COEFFICIENT (NUMBER IN FRONT OF VARIABLE)
solve multi step equations 1. Distribute- same side 2. Like Terms- same side 3. add or subtract constant- different sides 4. multiply or divide coeffient- different sides
evaluate an expression replacing each variable in the expression by a given value and simplifying the result
Popular Math sets

 



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