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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 |