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unit7:rational
Unit 7: Rational Explorations: Numbers and their Opposites
| Question | Answer |
|---|---|
| Absolute value | The distance between a number and zero on the number line. The symbol for absolute value is shown in the equation |-8|=8. |
| Coordinates | An ordered pair, (x,y), that locates a point in a plane. |
| Inequality | Any mathematical sentence that contains the symbols > (greater than), < (less than), < (less than or equal to), or > (greater than or equal to). |
| Integers | The set of whole numbers and their opposites {…-3,-2,-1,0,1,2,3,…} |
| Negative numbers | The set of numbers less than zero |
| Opposite number | Two different numbers that have the same absolute value. Example |
| Ordered Pair | A pair of numbers, (x,y), that indicate the position of a point on the Cartesian Plane. |
| Origin | The point of intersection of the vertical and horizontal axes of a Cartesian plane. The coordinates of the origin are (0, 0). |
| Positive number | The set of numbers greater than zero. |
| Rational number | The set of numbers that can be written in the form a/b where a and b are integers and b≠0. |
| Sign | a symbol that indicates whether a number is positive or negative. Example |
| x-axis | The horizontal number line on the Cartesian coordinate plane. |
| x-coordinate | The first number of in ordered pair; the position of a point relative to the vertical axis |
| y-axis | The vertical number line on the Cartesian coordinate plane |
| y-coordinate | The second number in an ordered pair; the position of a point relative to the horizontal axis |
Created by:
mcrippen
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