Solving a two step inequality

Solving a two step inequality

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve equations using inverse operations, focusing on undoing addition and subtraction first. It highlights the challenges of dealing with fractions in equations and suggests multiplying to eliminate them. The tutorial then demonstrates solving inequalities and representing solutions on a number line, using negative numbers as an example to illustrate the concept. The explanation is supported by real-world analogies, making it easier to understand the mathematical principles involved.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving inequalities using inverse operations?

Multiply by zero

Add fractions

Undo addition and subtraction

Undo multiplication and division

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it incorrect to simply subtract 6 when solving the expression n + 6 / 4?

Because it results in a division by zero

Because n + 6 / 4 is the same as n / 4 + 6 / 4

Because subtraction is not allowed in inequalities

Because it changes the inequality sign

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you eliminate the fraction in the expression n + 6 / 4?

By adding 4

By dividing by 4

By subtracting 4

By multiplying by 4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the inequality n > -22 mean in terms of a number line?

n is less than -22

n is equal to -22

n is greater than -22

n is not a number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you represent numbers greater than -22 on a number line?

Shade both sides of -22

Shade to the right of -22

Shade to the left of -22

Do not shade at all