Question

My question is how you solve and Graph the following function: y= -4x squared + 4

Answer 1

Like this: http://www.wolframalpha.com/input/?i=y%3D-4x%5E2%2B4

Answer 2

well the equation is
\[y = -4x^2 + 4\]

so the parabola is concave down and is symmetrical about the y axis..

find the x- intercepts by letting y = 0

\[0 = -4x^2 + 4 \]

solve this for x..

substitute x = 0 into the equation to find the maximum value of the parabola.

Answer 3

thnks a lot