Quadratic Formula Mastery Quiz

$x = \frac{b \pm \sqrt{b^2 + 4ac}}{2a}

$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ (correct)

$x = \frac{b \pm \sqrt{b^2 - 4ac}}{2a}$

$x = \frac{-b \pm \sqrt{b^2 + 4ac}}{2a}$

$b^2 + 4ac$

$b^2 - 4ac$ (correct)

$-b^2 - 4ac$

$-b^2 + 4ac$

$x = \frac{5}{2}, x = 2$

$x = \frac{1}{2}, x = 2$

$x = 2, x = \frac{1}{2}$ (correct)

$x = 2, x = -\frac{1}{2}$

<p>When the discriminant is negative</p> Signup and view all the answers

<p>$ax^2 + bx + c = 0$</p> Signup and view all the answers