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

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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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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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Hmm not sure D:

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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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