SOLUTION: what is the maximum value for f(x)=-8x^2-11^?

Click here to see ALL problems on Rational-functions

Question 1090250: what is the maximum value for f(x)=-8x^2-11^?
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850)   (Show Source):
You can put this solution on YOUR website!

max{ } = at

Answer by ikleyn(52802)   (Show Source):
You can put this solution on YOUR website!
.
On finding maximum/minimum of a quadratic function see the lessons
    - HOW TO complete the square to find the minimum/maximum of a quadratic function
    - Briefly on finding the minimum/maximum of a quadratic function
    - HOW TO complete the square to find the vertex of a parabola
    - Briefly on finding the vertex of a parabola
in this site.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook under the topic "Finding minimum/maximum of quadratic functions".