SOLUTION: Please help explain these: A quadratic function is given (a) Express the quadratic function in standard form (b) Sketch its graph (c) Find its maximum or minimum value f(x)

Algebra ->  Functions -> SOLUTION: Please help explain these: A quadratic function is given (a) Express the quadratic function in standard form (b) Sketch its graph (c) Find its maximum or minimum value f(x)      Log On


   



Question 904278: Please help explain these:
A quadratic function is given
(a) Express the quadratic function in standard form
(b) Sketch its graph
(c) Find its maximum or minimum value
f(x) = 3x^2 - 6x + 1
f(x) = -x^2 - 3x + 3

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The explanation you want is in this lesson:

http://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev

That will help you for the standard form, as much as for finding the vertices and the zeros.

graph%28300%2C300%2C-6%2C6%2C-6%2C6%2C3x%5E2-6x%2B1%2C-x%5E2-3x%2B3%29