| A | B |
|---|
| coordinate plane | Includes the x-axis and the y-axis on the same plane |
| hypotenuse | The longest side of a right triangle. |
| irrational number | A real number that cannot be expressed as a decimal that terminates or repeats. |
| legs | The sides of a right triangle that form a 90 degree angle. |
| ordered pair | The two coordinates that create a point. |
| ordinate | The y-coordinate |
| origin | The point where the zero points of the two number lines meet at right angles in the coordinate plane. |
| perfect square | 1, 4, 9, 16, etc. |
| principal square root | The positive value of the square root. |
| Pythagorean triple | Integers that satisfy the Pythagorean Theorem |
| Pythagorean Theorem | a^2 + b^2 = c ^2 |
| quadrants | The division of the coordinate plane. |
| radical sign | The square root symbol. |
| real number | Contains the set of rational numbers and the set of irrational numbers. |
| right triangle | A triangle that contains a 90 degree angle. |
| square root | The inverse of squaring a number. |
| x - axis | The horizontal number line in the coordinate plane. |
| x-coordinate | The first number in an ordered pair. |
| y-axis | The vertical number line in the coordinate plane. |
| y-coordinate | The second number in an ordered pair. |
