What Is The X-Coordinate Of The Vertex Of The Parabola Whose Equation Is Y = 3x2 + 12x + 5?, X = -4 , X = -3, X = -2
What is the x-coordinate of the vertex of the parabola whose equation is y = 3x2 + 12x + 5?
x = -4
x = -3
x = -2
y = 3x² + 12x + 5
To get its x-coordinate of the vertex you have to follow this equation
x = -b/2a
Where
a = 3
b = 12
Just substitute them
x = -b/2a
x = -12/2(3)
x = -12/6
x = -2 is the x-coordinate of the vertex
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