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Chapter 1
Linear Equations
Term | Definition |
---|---|
Inverse Operations | opposite operations that undo each other (addition and subtraction as well as multiplication and division) |
Two-Step Equation | it takes two operations to isolate the variable, first adding or subtracting then multiplying or dividing |
Solution | a final answer to a math problem |
Coefficient | a number in front of and used to multiply a variable |
Constant | a number on its own not multiplied to a variable |
Properties of Equality | if you perform an operation on both sides of an equation the sides remain equal |
Equation | a statement that says two mathematical expressions are equal (using "=" sign) |
Expression | a mathematical phrase that contains only numbers, variables, and operations (no "=" sign) |
Evaluate | to find the value of a mathematical expression |
Variable | a symbol (usually a letter) that stands in for a number(s) `we don't know yet |
Infinite | without end |
Simplify | to reduce, regroup, or perform all possible operations |