alleryStart learning →For integers a,b, x²+px+q=(x+a)(x+b) is an identity. If p is odd, what must hold?
Aq is even
Bq is positive
Cq is odd
Dq is negative
Answer & Solution
Correct answer: A. q is even
Since a + b is odd, one constant is even and the other odd, so their product q is even.
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