Lesson 7 homework practice solve inequalities by multiplication or division

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Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 6: Equations and Inequalities; Lesson 7: Solve Inequalities by Multiplication or Division

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Independent Practice

Solve each inequality.

  • Question 1
    (request help)

    \(6y < 18\)

  • \(y<\)   
  • Question 2
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    \(-3s ≥ 33\)

  • \(s\le\)   
  • Question 3
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    \(60 ≤ \frac{m}{3}\)

  • \(m\ge\)   
  • Question 4
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    \(\frac{t}{-2}< 6\)

  • \(t>\)   
  • Question 5
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    \(\frac{m}{-14}≤ -4\)

  • \(m\ge\)   
  • Question 6
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    \(-56 ≤ -8x\)

  • \(x\le\)   
  • Question 7
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    \(12n ≤ 54\)

  • \(n\le\)   
  • Question 8
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    \(\cfrac{h}{9}> \cfrac{1}{4}\)

  • \(h>\)
  • Question 9
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    \(\frac{w}{-5}≥ 9\)

  • \(w\le\)   

Solve each inequality. Graph the solution set on a number line.

  • Question 10
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    \(4x ≥ 36\)

  • \(x\ge\)   
  • Question 11
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    \(20 < 5t\)

  • \(t>\)   
  • Question 12
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    \(\frac{s}{-6}> -16\)

  • \(s<\)   
  • Question 13
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    \(\frac{x}{-4}≥ 8\)

  • \(x\le\)   
  • Question 14
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    A pool charges $4 each visit, or you can buy a membership. Write and solve an inequality to find how many times a person should use the pool so that a membership is less expensive than paying each time. Interpret the solution. (Example 5)
    Inequality:                                  Solution:
    Interpretation:

  • \(x>\)   

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