Advanced Math practice question

Answer: 4

(x − 1) is a factor, so p(1) = 0: 1 + a − 5 + b = 0 gives a + b = 4. (The other factor fixes a = −2, b = 6.)

Common wrong answers

If you answered 6

6 is b alone.

If you answered -4

−4 has the sign wrong.

If you answered -2

−2 is a alone.

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