click below
click below
Normal Size Small Size show me how
Chapter 1 Vocab
Math
| Term | Definition |
|---|---|
| Variable | A symbol, usually a letter,that represents one or more numbers |
| Coefficient | The number that is multiplied by the variable in an algebraic expression |
| Expression | A mathematical phrase containing numbers, operations and/or variables |
| Constant Term | A term that has a number but no variable |
| Evaluate (an algebraic expression) | Substitute a number for each variable in an algebraic expression. Then use the order of operations to find the value of the numerical expression |
| Substitute | To replace a variable with a number or another expression in an algebraic expression |
| Equation | A mathematical sentence that uses an equal sign, =, to show that two expressions are equal |
| Solve | To find an answer or a solution |
| Solution of an Equation | A value that makes an equation true |
| Inverse Operation | Operations that cannot be written as the ratio of two integers |
| Isolate the Variable | To get a variable alone on one side of an equation or inequality in order to solve the equation or inequality |
| Term | The parts of an expression that are added together |
| Like Term | Terms that have identical variable parts |
| Equivalent Expression | Expressions with the same value |
| Distributive Property | To multiply a sum or difference by a number, multiply each number in the sum or difference by the number outside the parentheses. Then evaluate |
| Order of Operations | The order in which to perform operations when evaluating expressions with more than one operation. |
| Ordered Pair | A pair of numbers (x, y) used to locate a point in a coordinate plane. The first number is the x-coordinate, and the second number is the y-coordinate |
| Integer | A number on which a function operates |
| Opposite | Two numbers that are an equal distance from zero on a number line |
| Absolute Value | The distance between a number ad 0 on a number line . The absolute value of a number a is written as │a│ |