SAT Math Practice Question #14847 - SATify | SATify

Home Practice Exams Features Pricing Quick Start Guide About

Loading...

SAT Math Practice Question #14847 - SATify | SATify

#14847

equations

quadratic equations

hard

70 sec

Which of the following quadratic equations has exactly one real solution?

A.

$x^{2} - 6 x + 9 = 0$

B.

$x^{2} + 6 x + 9 = 0$

C.

$x^{2} + 6 x - 9 = 0$

D.

$x^{2} - 6 x - 9 = 0$