Question

heres my quest."where does the following function intersect the x-axis"f(x)=4x^2-2x-4?

Answer 1

1.28077 and -0.7807

Answer 2

\[x=\frac{1}{4} \left(1-\sqrt{17}\right),x=\frac{1}{4} \left(1+\sqrt{17}\right) \]

Answer 3

hey , do you have the workrobtobey

Answer 4

how you figure it out, can u show me the work.

Answer 5

Solve the equation\[4 x^2-2 x-4=0 \]for x. I used Mathematica to solve it. You can also complete the square.

http://www.sosmath.com/algebra/factor/fac07/fac07.html
http://www.youtube.com/watch?v=GyCuj1hx_zc