SOLUTION: Graph the quadratic function f(x)= -2x^2+8x+8. State the ordered pairs representing the x-intercept(s), y-intercept(if any), and the vertex of the parabola.

Question 366631: Graph the quadratic function f(x)= -2x^2+8x+8. State the ordered pairs representing the x-intercept(s), y-intercept(if any), and the vertex of the parabola.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
-2x^2+8x+8
plug x = 0 for y intercept
=8
solve the equation for roots x1,x2
discriminant = 128
...
x1=4.8
x2=-0.8
xintercepts (-0.8,0) (4.8,0)
y intercept = (0,-8)
vertex = (2,-16)
...

...
m.ananth@hotmail.ca
RELATED QUESTIONS
Graph the quadratic function {{{ f(x)=-x^2+2x+15 }}}; state the ordered pairs... (answered by nerdybill)

Graph the quadratic funtion f(x)=-5(x-2)^2+9. State the ordered pairs representing the... (answered by mananth)

Graph the quadratic function f(x)=7(x+1)^2+4: state the ordeed pairs representing the... (answered by stanbon,lefty4ever26)

Graph the quadratic function {{{f(x)=-7x^2-10x+5}}}. State the ordered pairs representing (answered by solver91311)

For the quadratic function f(x)= -x^2+2x+3, give the coordinates(ordered pair)of the... (answered by solver91311)

I have tried to do this question a a lot of time but My answer and the Graph is not... (answered by ankor@dixie-net.com)

Graph the quadratic equation, label the ordered pairs for the vertex and the y-intercept (answered by Alan3354,checkley77)

Graph the quadratic equation. Label the ordered pairs for the vertex and the y-intercept. (answered by KnightOwlTutor)

I would really appreciate assistance on the following problem: I have a graph with the (answered by stanbon)