0.7e: Exercises - Linear Equations
- Page ID
- 38234
A: Check a Solution
Exercise \(\PageIndex{1}\)
\( \bigstar \) Determine whether or not the given value is a solution.
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- Answers to odd exercises:
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1. No \(\qquad\) 3. Yes \(\qquad\) 5. No \(\qquad\) 7. Yes
B: Solve Linear Equations (I)
Exercise \(\PageIndex{2}\)
\( \bigstar \) Solve.
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- Answers to odd exercises:
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11. \(6\) \(\qquad\) 13. \(\frac{11}{2}\) \(\qquad\) 15. \(0\) \(\qquad\) 17. \(−\frac{5}{4}\) \(\qquad\) 19. \(\frac{3}{4}\) \(\qquad\) 21. \(−3\) \(\qquad\) 23. \(−15\) \(\qquad\) 25. \(x = \frac{b+c}{a}\)
C: Solve Linear Equations (II)
Exercise \(\PageIndex{3}\)
\( \bigstar \) Solve.
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- Answers to odd exercises:
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31. \(3\) \(\qquad\) 33. \(−5\) \(\qquad\) 35. \(−\frac{17}{2}\) \(\qquad\) 37. \(ℝ\) \(\qquad\) 39. \(\frac{7}{8}\) \(\qquad\) 41. \(2.5\) \(\qquad\) 43. \(Ø\) \(\qquad\) 45. \(3\) \(\qquad\) 47. \(2\) \(\qquad\) 49. \(Ø\)
51. \(−\frac{5}{3}\) \(\qquad\) 53. \(−81\) \(\qquad\) 55. \(1.2\) \(\qquad\) 57. \(ℝ\) \(\qquad\) 59. \(0\) \(\qquad\) 61. \(Ø\) \(\qquad\) 63. \(\frac{6}{5}\) \(\qquad\) 65. \(ℝ\) \(\qquad\)
C: Solve Linear Formulas
Exercise \(\PageIndex{4}\)
\( \bigstar \) Solve.
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- Answers to odd exercises:
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67. \(w = \frac{P − 2l}{2}\) \(\qquad\) 69. \(t = \frac{D}{r}\) \(\qquad\) 71. \(b = \frac{2A}{h}\) \(\qquad\) 73. \(a = \frac{2A}{h} − b\) \(\qquad\) 75. \(F = \frac{9}{5} C + 32\).
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