Name: Hard SAT Math Question 42 — Video Explanation
Uploaded: 2026-07-26
Description: Step-by-step video walkthrough of question 42 from the 100 hardest Digital SAT Math questions.

0:00

In the

x y

-plane, the graph of the equation

y = - 2 x^{2} + 15 x - 29

intersects the line

y = c

at exactly one point. What is the value of

c

- \frac{15}{4}

- 29

- \frac{7}{8}

\frac{15}{4}

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