If x2 – 9 < 0 which of the following must be true?
Correct answer E. ?3 < x < 3
Tip: press A, B, C or D to answer, and N for the next question.
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More Equations and Inequalities questions
See allIf -3 < x < 5 and -4 < y < 6 then what is the maximum possible value of y-x?
Correct answer B. 7
If m is an even integer and 3m24 then m =?
Correct answer C. 14
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If a > b > c which of the following cannot be true?
Correct answer A. b + c < a
If the numerical values of (a-b)2 and (a+b)2 are equal then which of the following must be true?
Correct answer C. ab = 0
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