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14 June, 05:28

Find the vertex for the equation : y=3x²+18x+30

a.) (-3,3)

b.) (-3,-51)

c.) (3,111)

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  1. 14 June, 07:52
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    Dy/dx=6x+18, dy/dx=0 when x=-3

    y (-3) = 27-54+30=3

    (-3, 3)
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