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Chapter 1.6 and 1.7 Assignment
p. 49
Do Work on Separate Sheet of Paper
Solve each equation.
12. 1 = 2x – 5
16. 2x – 5 = 19
20. 3x + 1 = ½
24. 5x + 3 = 2x + 18
28. ¼x – 5/2 = -2
32. -5 = 3/2(x) – 2
36. -2x + 5 = -⅓x – 6 40. 2/5(x) + 6/5 = x – 3
Solve each equation by graphing. Give your answers to the nearest hundredth.
44. 0.35x – 2.72 = 5.83x
Solve each literal equation for the indicated variable.
48. P = 2l + 2w for w
52. y = u+1/u + 2 for u
56. I = P(1 + rt) for t
pp.58-59
12 and 16 you need the book
Solve each inequality and graph the solution on a number line.
20. 5x > 10
24. -5x > - 10
28. 3x + 7 < 3
32. -2x > 14
36. -10 < -5x
40. -6(p+4) < 12
44. 3(4x-5) < 8x + 3
48. 2(x-5) < -4(3x+2)
Graph the solution of each compound inequality on a number line.
52. n + 4 < 16 and n – 3 > 12
56. x + 9 < 5 and 4x > 12
60. 5a + 12 < 2 and 5a – 12 < 3
64. 20 – 3x > 11 or -4x < -20
68. ½ (x + 9) < -3 and -10 < -5x
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