Question

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

Answer 1

1 and 4 because 4(79)=789