SOLUTION: What is the equation of the axis of symmetry of this parabola? y=-5(x+4)^2+3

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Question 736178: What is the equation of the axis of symmetry of this parabola? y=-5(x+4)^2+3
Answer by josgarithmetic(39618) About Me  (Show Source):
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That is already in standard form. You can read the vertex directly as (-4, 3). This parabola, since it is written as y is a function of x squared, is parallel to the typical simplest y=x^2, so the axis of symmetry is vertical. The axis of symmetry contains the vertex.