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thatjacksonguy

  • 3 years ago

Write the equation y = -x2 – 3x in vertex form. What is the vertex and the axis of symmetry?

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  1. matricked
    • 3 years ago
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    y = -x2 – 3x y = -x2 – 2*(3/2) x -9/4 +9/4 (y-9/4)=-(x-3/2)^2 vertex 3/2,9/4 and axis is -ve direction of x=3/2

  2. thatjacksonguy
    • 3 years ago
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    thanx again

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