Question

The graph of y = x2 + 11x + 24 is equivalent to the graph of which equation?

y = (x + 8)(x + 3)
y = (x + 4)(x + 6)
y = (x + 9)(x + 2)
y = (x + 7)(x + 4)

Answer 1

y = (x + 8)(x + 3)

Because 8 + 3 = 11 and 8·3 = 24, so x^2 + 11x + 24 = (x + 8)(x + 3).