SAT Math Practice Question #15161 - SATify | SATify

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SAT Math Practice Question #15161 - SATify | SATify

#15161

equations

graphs

quadratic equations

hard

150 sec

In the xy-plane, the graph of the equation $y = - x^{2} + 5 x - 1$ intersects the line $y = p$ at exactly one point. What is the value of $p$ ?

A.

$- \frac{25}{4}$

B.

$5$

C.

$\frac{21}{4}$

D.

$\frac{5}{2}$