# Hard SAT Math Question 42 — Video Explanation | 1600.now

Source: https://1600.now/hard/42

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42

In the $xy$-plane, the graph of the equation $y = -2x^2 + 15x - 29$ intersects the line $y = c$ at exactly one point. What is the value of $c$?

A

$-\frac{15}{4}$

B

$-29$

C

$-\frac{7}{8}$

D

$\frac{15}{4}$