SAT Math Practice Question #38497 - SATify | SATify

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SAT Math Practice Question #38497 - SATify | SATify

#38497

coordinate geometry

quadratic equations

medium

60 sec

In the $x y$ -plane, the graph of the equation $y = - 2 x^{2} + 8 x - 3$ intersects the line $y = c$ at exactly one point. What is the value of $c$ ?

A.

$- 3$

B.

$2$

C.

$5$

D.

$8$