Answer Key 6.6

  1. \begin{array}{ccc} \\ (x)^2&-&(8)^2 \\ x^2&-&64 \end{array}
  2. \begin{array}{ccc} \\ (a)^2&-&(4)^2 \\ a^2&-&16 \end{array}
  3. \begin{array}{ccc} \\ (1)^2&-&(3p)^2 \\ 1&-&9p^2 \end{array}
  4. \begin{array}{ccc} \\ (x)^2&-&(3)^2 \\ x^2&-&9 \end{array}
  5. \begin{array}{ccc} \\ (1)^2&-&(7n)^2 \\ 1&-&49n^2 \end{array}
  6. \begin{array}{ccc} \\ (8m)^2&-&(5)^2 \\ 64m^2&-&25 \end{array}
  7. \begin{array}{ccc} \\ (4y)^2&-&(x)^2 \\ 16y^2&-&x^2 \end{array}
  8. \begin{array}{ccc} \\ (7a)^2&-&(7b)^2 \\ 49a^2&-&49b^2 \end{array}
  9. \begin{array}{ccc} \\ (4m)^2&-&(8n)^2 \\ 16m^2&-&64n^2 \end{array}
  10. \begin{array}{ccc} \\ (3y)^2&-&(3x)^2 \\ 9y^2&-&9x^2 \end{array}
  11. \begin{array}{ccc} \\ (6x)^2&-&(2y)^2 \\ 36x^2&-&4y^2 \end{array}
  12. \begin{array}{ccccc} \\ (1)^2&+&2(1)(5n)&+&(5n)^2 \\ 1&+&10n&+&25n^2 \end{array}
  13. a^2+10a+25
  14. x^2-16x+64
  15. 1-12n+36n^2
  16. 16x^2-40x+25
  17. 25m^2-80m+64
  18. 9a^2+18ab+9b^2
  19. 25x^2+70xy+49y^2
  20. 16m^2-8mn+n^2
  21. 25+20r+4r^2
  22. m^2-14m+49
  23. 16v^2-49
  24. b^2-16

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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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