Which functions have real zeros at 1 and 4? Check all that apply.f(x) = x2 + x + 4f(x) = x2 – 5x + 4f(x) = x2 + 3x – 4f(x) = –2x2 + 10x – 8f(x) = –4x2 – 16x – 1

Question

Revolt · Accepted Answer

f(x) = x2 – 5x + 4; f(x) = –2x2 + 10x – 8

Solving Quadratic Equations: Zero Product Property

Which functions have real zeros at 1 and 4? Check all that apply.f(x) = x2 + x + 4f(x) = x2 – 5x + 4f(x) = x2 + 3x – 4f(x) = –2x2 + 10x – 8f(x) = –4x2 – 16x – 1

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