Advanced Math practice question

Answer: 6

The vertex form gives the highest point (−1, 7), so a + b = 6.

Common wrong answers

If you answered 5

5 uses b = 7 − 2.

If you answered 8

8 uses a = 1, misreading the sign in (x + 1).

If you answered -8

−8 has both signs wrong.

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