Algebra 1 · Quadratic Functions
Parabola
Algebra 1 · Quadratic Functions
Definition
A parabola is the U-shaped graph of a quadratic function.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- y = x2 graphs as a parabola opening up.
- y = −x2 opens downward.
Key rule
A parabola opens up when a > 0 and down when a < 0.
Memory hook
Parabola = the U-shaped quadratic curve.