SOLUTION: What is the answer to this quadratic inequality. X^2-144<0
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Question 1200710: What is the answer to this quadratic inequality. X^2-144<0
Found 2 solutions by ikleyn, greenestamps:
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
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The answer is -12 < X < 12, or in the interval form, (-12,12).
What does it mean " what is the answer " in your post ?
Should I understand it in a way, that you don't want explanations, at all ?
Is my understanding correct that your work is checking answers in somebody's textbook ?
Or filling some answers boxes in somebodies' web-site without understanding ?
I am asking to better understand your needs . . .
Answer by greenestamps(13198) (Show Source): You can put this solution on YOUR website!
Factor the given quadratic expression:
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The expression is EQUAL to 0 only at x=12 and x=-12. Since the graph of the quadratic expression is an upward-opening parabola, the interval on which the expression is less than 0 is between x=-12 and x=12.
ANSWER: (-12,12)
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