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Chapter 2 Vocabulary
| Term | Definition |
|---|---|
| Absolute Value | The distance a number is from zero. 5 and -5 have the same absolute value which is 5 units from zero. Absolute value is indicated by two vertical lines around a number. |
| Equation | A mathematical sentence that has an equal sign between two expressions that tells us both sides are equal. |
| Expression | A combination of individual terms separated by plus or minus signs. |
| Fraction Greater than 1 (improper fraction) | A fraction in which the numerator is greater than the denominator. This gives us a value greater than 1 whole. |
| Graph | Represents numerical information in a visual form. The numbers may come from a table, situation or rule. |
| Integers | The set of positive and negative whole numbers, including zero. |
| Mixed Number (mixed fraction) | A number that consists of an integer (whole number) and a fraction. |
| Ordered Pair (coordinate) | Two numbers written in order as follows: (x,y). These can help us locate or plot points on a graph |
| Origin | The point on a graph where the x-axis and y-axis intersect. This point is at the ordered pair or coordinate (0,0). |
| Rational Numbers | Rational Numbers Numbers that can be expressed as a fraction. Rational numbers include positive and negative whole numbers, fractions and decimals. |
| X- axis | The horizontal number line on a graph. This goes from left to right. |
| Y- axis | The vertical number line on a graph. This goes up and down. |
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