SATify

Home Practice Exams Features Pricing Quick Start Guide About

Login Sign Up

Loading...

SAT Math Practice Question #35960 - SATify | SATify

#35960

quadratic equations

equations

medium

60 sec

A quadratic function $f (x) = a x^{2} + b x + c$ is graphed in the $x y$ -plane. If the graph of $f (x)$ does not intersect the $x$ -axis, which of the following must be true?

A.

$b^{2} - 4 a c = 0$

B.

$b^{2} - 4 a c ＞ 0$

C.

$b^{2} - 4 a c < 0$

D.

The vertex of the parabola is at the origin.