SOLUTION: Find the x and y intercepts of f(x)= 4x^2+12x+9 I figured out that the y intecept is (0,9) so I just need the x-intercept.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find the x and y intercepts of f(x)= 4x^2+12x+9 I figured out that the y intecept is (0,9) so I just need the x-intercept.       Log On


   

Question 489856: Find the x and y intercepts of f(x)= 4x^2+12x+9
I figured out that the y intecept is (0,9) so I just need the x-intercept.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the x and y intercepts of f(x)= 4x^2+12x+9
I figured out that the y intecept is (0,9) so I just need the x-intercept.
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Factor to get:
(2x+3)^2 = 0
x = -3/2 with multiplicity 2.
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Cheers,
Stan H.