Number Sense & Algebra · Algebra
Quadratics
Quadratic functions make parabolas. Factoring, completing the square, the quadratic formula and the discriminant; the vertex as a maximum or minimum; and applications to projectiles and profit maximization.
Step 1 of 6 · Overview35 min read ·
Key idea
Prereqs: Systems of equations; Exponents. Next: Exponential growth & decay. Follows Khan Academy Algebra 1 'Quadratics' and AoPS Introduction to Algebra ch. 10–11.Next: 1. The parabola