6.4B Quiz Review Word Scramble
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| Term | Definition |
| coordinate plane | A plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis |
| x- axis | the horizontal axis on a coordinate plane that displays the first umber of an ordered set |
| y-axis | the vertical axis on a coordinate plane |
| origin | (0,0) Intersection of the x and y axes. Center of the coordinate plane. |
| ordered pair | A pair of numbers used to locate a point on a graph (x,y) |
| reflection | A transformation of a point/ figure that flips the point/figure across the x or y axes. |
| Quadrant I | (+,+) |
| Quadrant II | (-,+) |
| Quadrant III | (-,-) |
| Quadrant IV | (+,-) |
| Reflection over x-axis | x coordinate stays the same and change the y coordinate to its opposite. |
| opposites | 2 numbers who have the same absolute value but are on opposites sides of zero on the number line. |
| Reflection over y-axis | y coordinate stays the same and change the x coordinate to its opposite. |
| quadrant | one of four sections into which the coordinate plane is divided |
| unit distance | when you count the LINES between 2 points. |
| unit distance in the same quadrant | Subtract the coordinates that are different. |
| Ex. Distance between ( 1 , 8 ) and ( 1 , 4) | The ones are the same, so we are looking at the 8 and 4. Because they are both the same sign, we subtract. 8-4 = 4 units apart |
| Absolute value | The distance a number is from zero on a number line. ALWAYS POSITIVE |
| unit distance in different quadrants | Add (the absolute value) of the coordinates that are different. |
| Ex. Distance between ( 1 , -8 ) and ( 1 , 4) | The ones are the same, so we are looking at the -8 and 4. Because they have different signs, we take the absolute value (positive) of each number and add. 8+4 = 12 units apart |
| Perimeter of a rectangle | Add all the sides |
| Area of a rectangle | A=lw or bh |
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