SOLUTION: Please find the x and y intercepts for f(x)=4x^2+12x+3 Thank you

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Question 299008: Please find the x and y intercepts for f(x)=4x^2+12x+3
Thank you

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=4x^2+12x+3
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(-12+-sqrt[12^2-4*4*3])/2*4
x=(-12+-sqrt[144-48])/8
x=(-12+-sqrt96)/8
x=(-12+-9.798)/8
x=(-12+9.798)/8
x=2.202/8
x=.275 ans.
x=-12-9.798)/8
x=-21.798/8
x=-2.725 ans.
Y intercept=3.
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+4x%5E2+%2B12x+%2B3%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 4x^2 +12x +3).