anonymous
  • anonymous
Can someone check my answer For what interval does this quadratic inequality hold ture? x^2−4x−4≤28 A.[2,6] B. [-4,8] C. [-1,2] D. [-2,6] E. [0,4]
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
will it be b?
anonymous
  • anonymous
solve x^2 - 4x - 32 <=0 for x (x -8)(x + 4) <= 0 between x = -4 and x = 8, the inequality is true for x < -4, the left side exceeds 28 for x > 8, the left side exceeds 28
anonymous
  • anonymous
??

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anonymous
  • anonymous
@tkhunny
anonymous
  • anonymous
The interval is -4<=x<=8
anonymous
  • anonymous
|dw:1361409569193:dw|
anonymous
  • anonymous
Plug the numbers of the interval betwenn -4<=x<=8 in the equation above.
Directrix
  • Directrix
@MeowKate > will it be b? CORRECT
anonymous
  • anonymous
The option "B" is the correct one.

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