anonymous
  • anonymous
Which of the following is true? A) When solving a polynomial inequality, always determine a test value before finding any boundary points. B) When solving a polynomial inequality, use a test value to determine if the polynomial is equal to zero. C) When solving a polynomial inequality, choose a test value from an interval to test whether the inequality is positive or negative on that interval. D) When solving a polynomial inequality, a test value can be the same as a boundary point.
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
C. use a test value after you determine the intervals
anonymous
  • anonymous
If you don't determine the intervals first, then you'll be looking at any number from \[(-\infty,\infty)\] !!! So the answer must be C.

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