Name: Hard SAT Math Question 64 — Video Explanation
Uploaded: 2026-07-26
Description: Step-by-step video walkthrough of question 64 from the 100 hardest Digital SAT Math questions.

f (x) = x^{2} - 3 x - 4

g (x) = x^{2} - 9 x + 14

The function

f (x)

has two solutions of

q

and

r

, where

q

is positive. The function

g (x)

has two solutions of

p

and

m

, where

m > p

. If the function

h (x)

has solutions of

(q - p)

and

(m + r)

and can be rewritten as

h (x) = x^{2} + a x + b

, what is the value of

a + b