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Quadratic Vocabulary
| Term | Definition |
|---|---|
| standard form of quadratic | ax2+bx+c |
| parabola | u-shaped graph |
| rate of change for quadratic | not constant |
| ax2+bx+c; +a | concave up |
| ax2+bx+c; -a | concave down |
| ax2+bx+c; c | y - intercept |
| root | x intercept |
| zero | x intercept |
| solution | x intercept |
| x intercept | where graph crosses x-axis |
| y intercept | where graph crosses y-axis |
| "turning point" of the graph | vertex |
| shown as a point or ordered pair" | vertex |
| minimum | lowest point on graph |
| maximum | hightest point on graph |
| vertex formula | x = -b/2a then substitute to find y |
| axis of symmetry formula | x = -b/2a |
| axis of symmetry (AOS) | line that vertically divides the parabola into two symmetrical parts |