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aussy123
 3 years ago
Find the vertex for the equation:
y = 3x2 + 18x + 30
(3, 3)
(3, 51)
(3, 111)
aussy123
 3 years ago
Find the vertex for the equation: y = 3x2 + 18x + 30 (3, 3) (3, 51) (3, 111)

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terenzreignz
 3 years ago
Best ResponseYou've already chosen the best response.1If your quadratic equation is of the form \[y = ax^{2} + bx + c\] Then the x=value of your vertex is given by the formula \[\frac{b}{2a}\]

terenzreignz
 3 years ago
Best ResponseYou've already chosen the best response.1And to find the yvalue, either you plug in what you got for the xvalue, or follow this formula \[\frac{4acb^{2}}{4a}\]
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