SOLUTION: Solve 3x^2-7x-11=0 Find the x intercepts of f(x)=3x^2-7x-11

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Question 323719: Solve 3x^2-7x-11=0
Find the x intercepts of f(x)=3x^2-7x-11
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2-7x-11=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(7+-sqrt[-7^2-4*3*-11])/2*3
x=(7+-sqrt[49+132])/6
x=(7+-sqrt181)/6
x=(7+-13.45)/6
x=(7+13.45)/6
x=20.45/6
x=3.4 ans.
x=(7-13.45)/6
x=-6.45/6
x=-1.075 ans.
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f(x)=3x^2-7x-11
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+3x%5E2+-7x+-11%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 3^2 -7x -11).
X=(3.4 & -1.075)