SAT Math Practice Question #7943 - SATify | SATify

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SAT Math Practice Question #7943 - SATify | SATify

#7943

equations

algebra

roots

formulas

quadratic equations

medium

75 sec

Calculator OK

In the equation $25 x^{2} + 10 x + k = 0$ , $k$ is a constant. If the equation has exactly one solution, what is the value of $k$ ?

A.

1

B.

5

C.

10

D.

25