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jacobD

  • 2 years ago

explain how the sign of a in the equation y=a(x-h)2+k tells you whether the parabola has a minimum or maximum value

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  1. ChmE
    • 2 years ago
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    If a is negative the parabola has a minimum because it curves down. If a is positive is curves up so it has a minimum. Do you need more description than that?

  2. jacobD
    • 2 years ago
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    yes please what the question was asking is how does "a" distinguish whether it positive or negative

  3. ChmE
    • 2 years ago
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    If "a" is negative the parabola has a minimum because it curves down. If "a" is positive the parabola curves up so it has a minimum.

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