find the equation of the axis of symmetry for the parabola y=-9x^2 -7/2

When you solve it  Simplify any numbers and write them as proper fractions, improper fractions, or integers.

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1 Answer

This can be written y+7/2=-9x2, so the vertex is (0,-7/2), making the axis of symmetry the y-axis, which has the equation x=0.

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