asked 234k views
4 votes
Find the vertex for the equation : y=3x²+18x+30

a.) (-3,3)
b.) (-3,-51)
c.) (3,111)

1 Answer

2 votes
dy/dx=6x+18, dy/dx=0 when x=-3

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

(-3, 3)

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