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Math exam
June 2023
| Term | Definition |
|---|---|
| Like terms | Terms of an algebraic expression that have the same variable raised to the same exponent |
| Factoring the expression | Writing a numerical expression or algebraic expression as a product of factors |
| Polygon | A closed figure in a plane that is made up of three or more line segments that intersect only at the end points |
| Composite figure | A figure made up of triangles, squares, rectangles and other two-dimensional figures |
| Ratio | A comparison of two quantities using division, written as a “a to b”, a:b or a/b |
| Unit rate | A rate with a denominator of 1 |
| Equivalent rate | Rates that have the same unit rate |
| Percent | Part-to-whole relationship where the whole is 100 |
| US Customary System | System of measurement that contains units for length, capacity and weight such as inches, feet, quarts, gallons, ounces and pounds |
| Metric System | Decimal system of measurement based on powers of 10 that constrain units for length, capacity and mass |
| Conversion Factor | A rate that equals 1, used to convert units |
| Unit analysis | A process used to decide which conversion factor will produce appropriate units |
| Positive numbers | Numbers that are greater than zero |
| Negative numbers | Numbers that are less than zero |
| Opposites | Two numbers that are the same distance from zero |
| Integers | The set of whole numbers and their opposites |
| Absolute value | The distance between a number and zero on a number line |
| Coordinate plane | Formed by the intersection of a horizontal number line and a vertical number line |
| Origin | The point represented by the pair (0,0) where a horizontal and vertical number line intersect in a coordinate plane |
| Quadrants | The four regions created by the intersection of the horizontal and vertical number lines |
| Equation | A mathematical sentence that uses an equal sign to show that two expressions are equal |
| Solution | A value that makes an equation true |
| Inverse operations | Operations that “undo” each other; + and -, x and / |
| Equation in two variables | An equation that represents two quantities that change in relationship to one another |
| Solution of an equation in two variables | An ordered pair that makes an equation in two variables true |
| Dependent variable | The variable whose value depends on the independent variable in an equation with two variables |
| Independent variable | The variables representing the quantity that can change freely inn an equation with two variables |
Created by:
jillhulswit
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