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shoot

is the line up or down for graphing
y = –2x² + 2

1) this is a quadratic and cannot be a "line". It is a "curve"

thats what i mean sorry is the curve up or down

2) we then check the coefficient of the highest power of "x"

i put it as down but im not sure

it will first increase from -infinity, then reach a maximum and then decrease

okay i get that

so does it look like this then

|dw:1364413141919:dw|

sorry i couldn't draw it

looks like this. I cannot see your picture.

yep. So, it first increases and then decreases.
did you study derivatives?

yes and thank you :)

curve is under the x axis and downward.. at x = 0 it peak

at y =0 you can find x value and at x= 0 find value of y...

if you had studied derivatives, this becomes way easier

just a little bit and thank you again all for helping