Question

y=2x^2+7x What are the x-intercepts of this graph?

Answer 1

y=2x^2+7x

factor out an x

y = x(2x+7)

using the zero product property

0 = x   0 = 2x+7

x = 0        -7 = 2x

                -7/2 =x

The x intercepts are 0 , -7/2