SOLUTION: Find the vertex and the axis of symmetry of the following parabola. y = 4x^2 + 24x – 1

Algebra ->  Expressions-with-variables -> SOLUTION: Find the vertex and the axis of symmetry of the following parabola. y = 4x^2 + 24x – 1       Log On


   

Question 201103: Find the vertex and the axis of symmetry of the following parabola.
y = 4x^2 + 24x – 1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the vertex and the axis of symmetry of the following parabola.
y = 4x^2 + 24x – 1
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The vertex occurs where x = -b/2a = -24/(2*4) = -3
f(3) = 4*9 + 24*3 -1 = 36 + 71 = 108
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Vertex at (-3,108)
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Axis of symmetry: x = -3
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Cheers,
Stan H.