SOLUTION: Find the x-coordinate of the vertex of the parabola defined by the function f(x)= 3x^2+7x+2.

Algebra ->  Equations -> SOLUTION: Find the x-coordinate of the vertex of the parabola defined by the function f(x)= 3x^2+7x+2.      Log On


   

Question 885714: Find the x-coordinate of the vertex of the parabola defined by the function
f(x)= 3x^2+7x+2.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
You want to know about Completing the Square to put a parabola into standard form in which you can read the vertex coordinates from the resulting equation. That lesson is here:
Completing the Square to Solve General Quadratic Equation

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Find the x-coordinate of the vertex of the parabola defined by the function
f(x)= 3x^2+7x+2.


x-coordinate of vertex, or h+=+-+b%2F2a

a = 3

b = 7

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