• Pre algebra
  • Absolute values
  • Absolute value equations

Absolute value equations

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  • Question 1:
    1 pts
    Solve equation $|-3r|=15.$

    $5$

    $\{-5,5 \}$

    $-5$

    $0.5$

  • Question 2:
    1 pts
    Solve equation $\left|\dfrac{n}{3}\right|=2.$
    $6$
    $-6$
    $\{-6,6 \}$
    none of these
  • Question 3:
    1 pts
    Solve equation $|x-16|=0.3$
  • Question 4:
    1 pts
    Solve equation $|2x|+5=3.$

    $2$

    $-2$

    $\{2,-2 \}$

    none of these

  • Question 5:
    2 pts
    Solve equation $|6x+24|=0.$
    $4$
    $-4$
    $\{4,-4 \}$
    none of these
  • Question 6:
    2 pts
    Solve equation $|9x|-11=x.$

    $\{-\dfrac{8}{10},-\dfrac{11}{10}\}$

    $\{-\dfrac{11}{8},-\dfrac{11}{10}\}$

    $\{\dfrac{11}{8},-\dfrac{11}{10}\}$

    $\{-\dfrac{11}{8},-\dfrac{11}{10}\}$

  • Question 7:
    2 pts
    Solve equation $2x-7=|x+1|.$
    $2$
    $8$
    $\{2,8 \}$
    $\{-2,8 \}$
  • Question 8:
    2 pts
    Solve equation $6|1-5x|-9=57.$
  • Question 9:
    3 pts
    Solve equation $|4x-3|=|x+6|.$

    $x=-3$ or $x=-\dfrac{3}{5}$

    $x=3$ or $x=-\dfrac{3}{5}$

    $x=3$ or $x=\dfrac{3}{5}$

    $x=-3$ or $x=\dfrac{3}{5}$

  • Question 10:
    3 pts
    Solve equation $5|9-5n|-7=38.$
  • Question 11:
    3 pts
    Solve equation $|3x-2|=|5x+4|.$
    $\left \{4,-\dfrac{1}{4}\right\}$
    $\left \{-1,-\dfrac{1}{3}\right\}$
    $\left \{-2,-\dfrac{2}{5}\right\}$
    $\left \{-3,-\dfrac{1}{4}\right\}$
  • Question 12:
    3 pts
    Solve equation. $$\left|\dfrac{x+5}{2-x} \right|=6$$

    $\left \{-1,-\dfrac{17}{5}\right \}$

    $\left \{1,\dfrac{17}{5}\right \}$

    $\dfrac{17}{5}$

    $-1$