SAT Math Practice Question #31266 - SATify | SATify

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SAT Math Practice Question #31266 - SATify | SATify

#31266

quadratic equations

equations

medium

75 sec

For the quadratic equation $a x^{2} + b x + c = 0$ , where $a$ , $b$ , and $c$ are constants and $a \neq = 0$ , which of the following conditions guarantees that the equation has exactly one real solution?

A.

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

B.

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

C.

$b^{2} - 4 a c ＞ 0$

D.

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