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An equation y= a(x+2)(x-6) and passes through (7,27) what is the value of a

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Answer:

a = 3

Explanation:

since the parabola passes through (7, 27 ) then te coordinates of the point make the equation true.

substitute x = 7 and y = 27 into the equation and solve for a

27 = a(7 + 2)(7 - 6) = a(9)(1) = 9a ( divide both sides by 9 )

3 = a

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