Question

Draw a sketch of the graph of y=2x*-8x-2
the * stands for 2. anyways how do i find the x-intercepts?

Answer 1

for x-intercepts put y=0

Answer 2

do you mean? -16*x^2-2

Answer 3

oh i get it

Answer 4

2*x^2-8*x-2

Answer 5

use quadratic formula

Answer 6

{x = 2+sqrt(5)}, {x = 2-sqrt(5)}

Answer 7

thanks