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The graph of which quadratic equation is shown below? y = x^2 + 2x − 8 y = x^2 − 2x − 8 y = −x^2 − 2x + 8 y = −x^2 − 4x − 8

Mathematics
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Hmm not sure D:

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Other answers:

Does the graph of x^2 open up or down? How about -x^2? :)
as its -x^2 it will be open downwards like C and D
f(x) + C will affect the position on the y axis. Take this fact into consideration.
yup the intercept on y-axis is when x = 0
|dw:1368631726428:dw| can you find the x -intercepts?
you should know the answer from this
I dont
ok, set everything I drew above to zero, that is like saying: When is Y zero? When Y is zero it touches the x-axis
it is zero when x = 2 and when x = -4
So the answer is...?
So then the answer is y = −x^2 − 2x + 8 I factored out the negative sign above.
look at your graph, it's consistent with this
Make sense? :)
lol, just looking for someone to do your homework without effort, eh?

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