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anonymous

  • 5 years ago

solve and graph: x^2 <= 3 -2x

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  1. anonymous
    • 5 years ago
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    should be graph , then solve

  2. anonymous
    • 5 years ago
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    can you show answer on like paint or something? plz

  3. anonymous
    • 5 years ago
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    x^2 +2x -3 <=0 (x+3)(x-1) <=0 graph this , it has x intercepts x=-3, x=1 , and it is concave up because the coefficent of x^2 is positive

  4. anonymous
    • 5 years ago
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  5. anonymous
    • 5 years ago
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    not very good , but yeh , its a parabola

  6. anonymous
    • 5 years ago
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    now you ask question where is this graph less than or equal to zero ( ie when is it below the x axis

  7. anonymous
    • 5 years ago
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    well that occurs for x in the interval -3<=x<=1

  8. anonymous
    • 5 years ago
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    thank you, that's what i got too.

  9. anonymous
    • 5 years ago
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spraguer (Moderator)
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