SOLUTION: Find the axis of symmetry of the parabola given by the function f(x) = 3x^2 + 4.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find the axis of symmetry of the parabola given by the function f(x) = 3x^2 + 4.      Log On


   

Question 356319: Find the axis of symmetry of the parabola given by the function f(x) = 3x^2 + 4.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Using the vertex form of a parabola, y=a%28x-h%29%5E2+%2Bk (h,k) is the vertex

to determine the vertex

 f(x) = 3x^2 + 4 

vextex is (0,4)

axis of symmetry is this case h=0 is the y axis:  x = 0

+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+3%2Ax%5E2+%2B+4%29+