Question

need help what are the x intercepts of the equation
2x^2-12x+17

Answer 1

use the quadratic formula to find x
x=(-b-+sqrt(b^2-4ac))/2a
=(-(-12)-+sqrt((-12)^2 -4(2)(17)))(2*2)
=(12)-+sqrt((144 -136))(4)
=(12-+sqrt8)/4
=(12-+2sqrt2)/4
x=3.71 and 2.29