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Mathematics 7 Online
OpenStudy (anonymous):

Write x^2 - 2x - 3 = 0 in the form (x - a)^2 = b, where a and b are integers. (x - 4)^2 = 3 (x - 3)^2 = 2 (x - 2)^2 = 1 (x - 1)^2 = 4

OpenStudy (dangerousjesse):

\(\large \large(x-1)^2-4 = 0\)?

OpenStudy (dangerousjesse):

So D.

OpenStudy (anonymous):

can you help with another?

OpenStudy (dangerousjesse):

Sure

OpenStudy (xapproachesinfinity):

this called completing the square dear asker^_^

OpenStudy (anonymous):

Jacob kicks a soccer ball off the ground and in the air, with an initial velocity of 33 feet per second. Using the formula H(t) = -16t^2 + vt + s, what is the maximum height the soccer ball reaches?

OpenStudy (anonymous):

hey I take florida virtual to stitch

OpenStudy (dangerousjesse):

Sorry, my wifi has been pretty sporadic today. The function reaches its max at x=-b/2a.

OpenStudy (dangerousjesse):

Find t and apply it to H(t) to find H.

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