Quadratic Equations Quiz

$y = a(x + h)^2 + k$

$y = (x - h)^2 + k$

$y = (x + h)^2 + k$

$y = a(x - h)^2 + k$ (correct)

$b^2 + 4ac$

$b^2 - 4ac$ (correct)

$b^2 + 2ac$

$b^2 - 2ac$

$y = ax^2 + bx + c$ (correct)

$y = ax^3 + bx^2 + c$

$y = a^2x + bx + c$

$y = a^2x^2 + bx + c$