# SOLVING INEQUALITIES USING MULTIPLICATION AND DIVISION WORKSHEET

Problem 1 :

Solve the inequality given below. Graph and check the solution.

y/3 ≥ 5

Problem 2 :

Solve the inequality given below. Graph and check the solution.

-4x > 52

Problem 3 :

Solve the inequality given below. Graph and check the solution.

-10y < 60

Problem 4 :

Solve the inequality given below. Graph and check the solution.

≥ -t/6 Problem 1 :

Solve the inequality given below. Graph and check the solution.

y/3 ≥ 5

Solution :

Step 1 :

Solve the inequality

y/3 ≥ 5

Use the Multiplication Property of Inequality.

Multiply both sides by 3.

3.(y/3) ≥ (5).3

≥ 15

Step 2 :

Graph the solution. Step 3 :

Check the solution by substituting a solution from the shaded part of the graph into the original inequality. For convenience, choose a multiple of 3.

Substitute 18 for x into y/3 ≥ 5

18/3  5

5

The inequality is true.

Problem 2 :

Solve the inequality given below. Graph and check the solution.

-4x > 52

Solution :

Step 1 :

Solve the inequality

-4x > 52

Use the Division Property of Inequality.

Divide both sides by -4.

(-4x) / (-4) < 52 / (-4)

x < -13

Step 2 :

Graph the solution. Step 3 :

Check the solution. Substitute a solution from the shaded part of your number line into the original inequality.

Substitute -15 for x into -4x > 52.

-4.(-15) > 52

60 > 52

The inequality is true.

Problem 3 :

Solve the inequality given below. Graph and check the solution.

-10y < 60

Solution :

Step 1 :

Solve the inequality

-10y < 60

Use the Division Property of Inequality.

Divide both sides by -10.

(-10y) / (-10) > 60 / (-10)

y > -6

Step 2 :

Graph the solution. Step 3 :

Check the solution. Substitute a solution from the shaded part of your number line into the original inequality.

Substitute -2 for y into -10y < 60.

(-10).(-2) < 60

20 < 60

The inequality is true.

Problem 4 :

Solve the inequality given below. Graph and check the solution.

≥ -t/6

Solution :

Step 1 :

Solve the inequality

7 ≥ -t/6

Use the Multiplication Property of Inequality.

Multiply both sides by -6.

7.(-6)  (-t/6).(-6)

-42  t

or t ≥ -42

Step 2 :

Graph the solution. Step 3 :

Check the solution. Substitute a solution from the shaded part of your number line into the original inequality.

Substitute -40 for t into ≥ -t/6.

≥ -(-40)/6

≥ 20/3

≥ 6.67

The inequality is true. Apart from the stuff given above, if you need any other stuff in math, please use our google custom search here.

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