Answer Key 1.3

  1. \begin{array}{l} \\ \\ \\ -6 \cdot -\dfrac{4}{1}\\ \\ -6 \cdot -4 \\ 24 \end{array}
  2. (-1)^3=-1
  3. \begin{array}{l} \\ \\ 3+8 \div 4 \\ 3+2 \\ 5 \end{array}
  4. \begin{array}{l} \\ \\ 5(1)\cdot 36 \\ 5\cdot 36 \\ 180 \end{array}
  5. \begin{array}{l} \\ \\ 8 \div 4\cdot 2 \\ 2 \cdot 2 \\ 4 \end{array}
  6. 2+6=8
  7. \begin{array}{l} \\ \\ \\ \left[-9-(2-5)\right] \div -6 \\ \left[-9-(-3)\right]\div -6 \\ \left[-6\right] \div -6 \\ 1 \end{array}
  8. \begin{array}{l} \\ \\ (-2 \cdot 8\cdot 2) \div (-4) \\ -32 \div -4 \\ 8 \end{array}
  9. \begin{array}{l} \\ \\ \\ -6 + (-6)^2\div 3 \\ -6 + 36 \div 3 \\ -6 + 12 \\ 6 \end{array}
  10. \begin{array}{l} \\ \\ -12 \div [-2-2+6] \\ -12 \div 2 \\ -6 \end{array}
  11. \begin{array}{l} \\ \\ \\ 4-2|9-16| \\ 4-2(7) \\ 4-14 \\ -10 \end{array}
  12. \begin{array}{l} \\ \\ -16 \div 4 -5 \\ -4-5 \\ -9 \end{array}
  13. \begin{array}{l} \\ \\ (-1+5)(5) \\ 4(5) \\ 20 \end{array}
  14. \begin{array}{l} \\ \\ \\ \\ -3-\{3-[-3(6)+2]\} \\ -3-\{3-[-18+2]\} \\ -3-\{3-[-16]\} \\ -3-\{19\} \\ -22 \end{array}
  15. \begin{array}{l} \\ \\ \\ \\ \left[2+4|7+4| \right] \div \left[8+15\right] \\ \left[2+4(11)\right] \div 23 \\ 2+44 \div 23 \\ 46\div 23 \\ 2 \end{array}
  16. \begin{array}{l} \\ \\ -4-\left[2-24-4-22-10\right] \\ -4-\left[-58\right] \\ 54 \end{array}
  17. \begin{array}{l} \\ \\ \\ \left[12+2+6\right](-5+ |-3|) \\ (20)(-5+3) \\ (20)(-2) \\ -40 \end{array}
  18. \begin{array}{l} \\ \\ \\ \\ -6+3-6\left[-2-(-4)\right] \\ -3-6\left[-2+4\right] \\ -3-6\left[2\right] \\ -3-12 \\ -15 \end{array}
  19. \begin{array}{l} \\ \\ \\ \\ \\ \dfrac{-15}{2--1-6-[-1+3]} \\ \\ -15 \div (-3-[2]) \\ -15 \div (-5) \\ 3 \end{array}
  20. \begin{array}{l} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \dfrac{25+25}{|16-32| - 6} \\ \\ \dfrac{50}{|-16|-6} \\ \\ \dfrac{50}{16-6} \\ \\ \dfrac{50}{10} \\ \\ 5 \end{array}
  21. \begin{array}{l} \\ \\ \\ \\ \\ \\ \\ \\ \dfrac{-48-4-4-[-4+3]}{(16+9)\div 5} \\ \\ \dfrac{-56-[-1]}{25\div 5} \\ \\ \dfrac{-55}{5} \\ \\ -11 \end{array}
  22. \begin{array}{l} \\ \\ \\ \\ \\ \dfrac{-18-(-3)}{1-(-1)+3} \\ \\ -\dfrac{15}{5} \\ \\ -3 \end{array}
  23. \begin{array}{l} \\ \\ \\ \\ \\ \dfrac{8+4}{-24-4-[-25]} \\ \\ -\dfrac{12}{3} \\ \\ -4 \end{array}
  24. \begin{array}{l} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \dfrac{13+9-12+1-[-10+6]}{\{9 \div [16-9(1)-8]\}+12} \\ \\ \dfrac{11-[-4]}{\{9\div [-1]\}+12} \\ \\ \dfrac{15}{-9+12} \\ \\ \dfrac{15}{3} \\ \\ 5 \end{array}

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Intermediate Algebra by Terrance Berg is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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