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Jibreel H
Jibreel H asked in Science & MathematicsMathematics · 8 years ago

This is a practice problem from my precalculus textbook?

from the graph of the quadratic function f(x)=(x+2)^2-9, determine the equation of the axis of symmetry

a. x=9

b. x=-2

c. x=-9

d. x=-9/2

e. x=2

3 Answers

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  • Paul
    Lv 4
    8 years ago

    The axis of symmetry will be a vertical line passing through the vertex of the parabola. This will occur where x + 2 = 0. Equivalently, x = -2

  • Mike G
    Lv 7
    8 years ago

    Vertex = (-2,-9)

    axis is x = -2

    Answer b

  • Alvina
    8 years ago

    Try downloading and using Textbook Answers Finder:

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    Official website: http://www.textbookanswersfinder.com/

    You'll be able to find all the answers to your textbook using it.

    Hope this helps.

    Source(s): Used for 2 years.
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