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nataly862011 [7]
3 years ago
6

Find the vertex for the equation: y = 3x^2 + 18x + 30 (-3, 3) (-3, -51) (3, 111)

Mathematics
2 answers:
Papessa [141]3 years ago
8 0
I think (-3, 3 ) !!!!!!!!!!!
Tems11 [23]3 years ago
4 0
Y = 3x^2 + 18x + 30
a = 3, b = 18, c = 30

h = -b/2a = -18 / 6 = -3
<span>k = (4ac – b^</span>2<span>) / 4<span>a = (360 - 324)/12 = 36/12 = 3
</span></span>
vertex (h, k) = (-3,3)


answer
(-3, 3)
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