Quadratic Inequalities Quiz
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Questions and Answers

What are the solutions to the inequality $x^2-x-6 extless=0$?

  • The solutions are $x extless=-2$ or $x extgreater=3$
  • The solutions are $x extless=-3$ or $x extgreater=2$
  • The solutions are $-3 extless=x extless=2$
  • The solutions are $-2 extless=x extless=3$ (correct)

    • What are the solutions to the inequality $x^2-x-6 extgreater=0$?

  • The solutions are $x extless=-3$ or $x extgreater=2$
  • The solutions are $-3 extless=x extless=2$
  • The solutions are $-2 extless=x extless=3$
  • The solutions are $x extless=-2$ or $x extgreater=3$ (correct)

    • What are the roots of the quadratic function $f(x)=x^2-x-6$?

  • The roots are $-2$ and $3$ (correct)
  • The roots are $-3$ and $-2$
  • The roots are $-3$ and $2$
  • The roots are $2$ and $3$

    • What are the critical numbers for a quadratic function?

    <p>The critical numbers are the roots, sometimes called the zeros</p> Signup and view all the answers

    What do the critical numbers of a quadratic function bound?

    <p>The critical numbers bound the regions where the function is positive or negative</p> Signup and view all the answers

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