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Understanding Inequalities and Their Representations

Understanding Inequalities and Their Representations

Assessment

Interactive Video

Mathematics

7th - 8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers module three, problem set 15 for grade 7, focusing on inequalities. It begins with an introduction to inequalities, explaining the concept of greater than, less than, and equal to. The tutorial then demonstrates how to graph inequalities on a number line, using examples to illustrate the process. A specific problem involving Ben's video game time is used to apply these concepts, showing how to set up and solve inequalities. The video concludes with a step-by-step guide on solving and graphing inequalities, emphasizing the importance of understanding the operations involved.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an inequality represent?

A statement that two expressions are identical

A statement that one expression is a multiple of another

A statement of equality between two expressions

A statement that one expression is greater than, less than, or equal to another

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the inequality 3 > 2, which number does the 'alligator mouth' open towards?

Neither number

3

Both numbers equally

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you represent 'greater than or equal to' on a number line?

With a closed dot

With an open dot

With a shaded area

With a dashed line

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the inequality for Ben's video game time if he plays less than 10 hours a week?

T < 10

T > 10

T = 10

T ≥ 10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If Ben plays 5.5 hours from Monday to Thursday, how much time is left for the rest of the week?

5.5 hours

4.5 hours

3.5 hours

10 hours

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to isolate the variable T in the inequality 5.5 + 3T < 10?

Division

Subtraction

Multiplication

Addition

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After subtracting 5.5 from both sides of the inequality, what is the next step?

Subtract 3 from both sides

Divide both sides by 3

Multiply both sides by 3

Add 5.5 to both sides

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