Solving a Two-Step Linear Inequality with Whole Numbers Online Quiz



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Questions and Answers
Q 1 - Solve the following two-step linear inequality with whole numbers.

3x + 6 > 15

Answer : A

Explanation

Step 1:

Given 3x + 6 > 15; Subtracting 6 from both sides

3x + 6 − 6 > 15 − 6; 3x > 9

Step 2:

Dividing both sides by 3 we get

$\frac{3x}{3}$ > $\frac{9}{3}$; x > 3

Step 3:

So, solution for the given two-step linear inequality is x > 3

Q 2 - Solve the following two-step linear inequality with whole numbers.

8 – 4x ≥ 12

Answer : D

Explanation

Step 1:

Given 8 – 4x ≥ 12 ; Subtracting 8 from both sides

8 – 4x −8 ≥ 12 − 8; −4x ≥ 4

Step 2:

Dividing both sides by −4 and flipping the sign

$\frac{−4x}{−4}$ ≥ $\frac{4}{−4}$; x ≤ −1

Step 3:

So, solution for the given two-step linear inequality is x ≤ −1

Q 3 - Solve the following two-step linear inequality with whole numbers.

5y + 1 > 11

Answer : B

Explanation

Step 1:

Given 5y + 1 > 11; Subtracting 1 from both sides

5y + 1 −1 > 11 – 1; 5y > 10

Step 2:

Dividing both sides by 5

$\frac{5y}{5}$ > $\frac{10}{5}$; y > 2

Step 3:

So, solution for the given two-step linear inequality is y > 2

Q 4 - Solve the following two-step linear inequality with whole numbers.

3w + 8 < 29

Answer : C

Explanation

Step 1:

Given 3w + 8 < 29; Subtracting 8 from both sides

3w + 8 − 8 < 29 – 8; 3w < 2

Step 2:

Dividing both sides by 3

$\frac{3w}{3}$ < $\frac{21}{3}$; w < 7

Step 3:

So, solution for the given two-step linear inequality is w < 7

Q 5 - Solve the following two-step linear inequality with whole numbers.

4 < 4x + 12

Answer : B

Explanation

Step 1:

Given 4 < 4x + 12; Subtracting 12 from both sides

4 −12 < 4x + 12 – 12; −8 < 4x

Step 2:

Dividing both sides by 4

$\frac{−8}{4}$ < $\frac{4x}{4}$; −2 < x

Step 3:

So, solution for the given two-step linear inequality is x > −2

Q 6 - Solve the following two-step linear inequality with whole numbers.

$\mathbf{\frac{x}{3}}$ −4 < −3

Answer : C

Explanation

Step 1:

Given $\frac{x}{3}$ −4 < −3;

Adding 4 to both sides

$\frac{x}{3}$ −4 + 4 < −3 + 4; $\frac{x}{3}$ < 1

Step 2:

Multiplying both sides by 3

$\frac{x}{3}$ × 3 < 1 × 3; x < 3

Step 3:

So, solution for the given two-step linear inequality is x < 3

Q 7 - Solve the following two-step linear inequality with whole numbers.

$\mathbf{\frac{−x}{2}}$ −5 > 2

Answer : A

Explanation

Step 1:

Given $\frac{−x}{2}$ −5 > 2;

Adding 5 to both sides

$\frac{−x}{2}$ −5 + 5 > 2 + 5; $\frac{−x}{2}$ > 7

Step 2:

Multiplying both sides by 2

$\frac{−x}{2}$ × 2 > 7 × 2; −x > 14; x < −14

Step 3:

So, solution for the given two-step linear inequality is x < −14

Q 8 - Solve the following two-step linear inequality with whole numbers.

−5 ≤ 3 − 4x

Answer : D

Explanation

Step 1:

Given −5 ≤ 3 − 4x;

Subtracting 3 from both sides

−5 −3 ≤ 3 − 4x −3; −8 ≤ −4x

Step 2:

Dividing both sides by −4 and flipping sign

$\frac{−8}{−4}$ ≥ $\frac{−4x}{−4}$; 2 > x; x < 2

Step 3:

So, solution for the given two-step linear inequality is x ≤ 2

Q 9 - Solve the following two-step linear inequality with whole numbers.

5y + 6 ≤ 36

Answer : C

Explanation

Step 1:

Given 5y + 6 ≤ 36;

Subtracting 6 from both sides

5y + 6 −6 ≤ 36 – 6; 5y ≤ 30;

Step 2:

Dividing both sides by 5

$\frac{5y}{5}$ ≤ $\frac{30}{5}$; y ≤ 6

Step 3:

So, solution for the given two-step linear inequality is y ≤ 6

Q 10 - Solve the following two-step linear inequality with whole numbers.

4 ≤ $\mathbf{\frac{z}{2}}$ − 1

Answer : B

Explanation

Step 1:

Given 4 ≤ $\frac{z}{2}$ − 1;

Adding 1 to both sides

4 + 1 ≤ $\frac{z}{2}$ – 1 + 1; 5 ≤ $\frac{z}{2}$

Step 2:

Multiplying both sides by 2

5 × 2 ≤ $\frac{z}{2}$ × 2; 10 ≤ z; z ≥ 10

Step 3:

So, solution for the given two-step linear inequality is z ≥ 10

solving_a_two_step_linear_inequality_with_whole_numbers.htm
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