Quadratic Functions (Grade 12 NSC Matric Mathematics): Quizzes

Interchange x and y

$y = \pm\sqrt{\frac{x}{a}}$

Two y-values for each x (± branches)

They switch roles

Vertical lines intersect at 2 points

$y = \sqrt{\frac{x}{a}}$ for $x \geq 0$

$y = \pm\sqrt{\frac{x}{3}}$

$y = x$

$x \geq 0$

When $x \leq 0$