SAT Math Practice Question #20672 - SATify | SATify

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SAT Math Practice Question #20672 - SATify | SATify

#20672

coordinate geometry

quadratic equations

hard

180 sec

In the $x y$ -plane, the graph of the equation $y = - 3 x^{2} + 11 x - 80$ intersects the line $y = c$ at exactly one point. What is the value of $c$ ?

A.

$- \frac{839}{12}$

B.

$- 80$

C.

$- 70$

D.

$11/6$