SOLUTION: use the quadratic formula to find any x-intercepts on the graph of the equation. y=x^2+6x-6 x= ? write all x-intercepts. or is there no x-intercept?

Algebra ->  Rational-functions -> SOLUTION: use the quadratic formula to find any x-intercepts on the graph of the equation. y=x^2+6x-6 x= ? write all x-intercepts. or is there no x-intercept?       Log On


   



Question 678517: use the quadratic formula to find any x-intercepts on the graph of the equation.
y=x^2+6x-6
x= ? write all x-intercepts.
or is there no x-intercept?

Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F2a
...
x=%28-6%2B-sqrt%286%5E2-4%281%29%28-6%29%29%29%2F%282%281%29%29
...
x=%28-6%2B-sqrt%2836%2B24%29%29%2F2
...
x=%28-6%2B-sqrt%2860%29%29%2F2
...
x=%28-6%2B-sqrt%284%2A15%29%29%2F2
...
x=%28-6%2B-2sqrt%2815%29%29%2F2
...
x=-3%2B-sqrt%2815%29
...
x = -3%2Bsqrt%2815%29 = .87298...
AND
x = -3-sqrt%2815%29 = -6.87298...
...
graph%28300%2C200%2C-10%2C10%2C-20%2C10%2Cx%5E2%2B6x-6%29
.....................
Delighted to help.
-Reading Boosters
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