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carlenstar281Best ResponseYou've already chosen the best response.0
is the line up or down for graphing y = –2x² + 2
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
1) this is a quadratic and cannot be a "line". It is a "curve"
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
thats what i mean sorry is the curve up or down
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
2) we then check the coefficient of the highest power of "x"
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
i put it as down but im not sure
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
it will first increase from infinity, then reach a maximum and then decrease
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
so does it look like this then
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
dw:1364413141919:dw
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
sorry i couldn't draw it
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
looks like this. I cannot see your picture.
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
oh sorry it was a pic that looked like the one you drew except the curve was under the x axis is that correct?
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
yep. So, it first increases and then decreases. did you study derivatives?
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
yes and thank you :)
 one year ago

cahitBest ResponseYou've already chosen the best response.0
curve is under the x axis and downward.. at x = 0 it peak
 one year ago

cahitBest ResponseYou've already chosen the best response.0
at y =0 you can find x value and at x= 0 find value of y...
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
if you had studied derivatives, this becomes way easier
 one year ago

carlenstar281Best ResponseYou've already chosen the best response.0
just a little bit and thank you again all for helping
 one year ago
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