Understanding Interval Notation and Inequalities

Understanding Interval Notation and Inequalities

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Practice Problem

Hard

CCSS
6.EE.B.8

Standards-aligned

Created by

Liam Anderson

FREE Resource

Standards-aligned

CCSS.6.EE.B.8
This video tutorial covers expressing intervals using inequality and interval notation. It explains how to graph intervals on a number line using open and closed points, as well as parentheses and brackets. The tutorial provides examples of converting between graph representations and interval notation, including compound inequalities. It also discusses how to input these notations into a homework system, emphasizing the importance of using the correct symbols and previewing entries.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an open point on a number line indicate in interval notation?

The endpoint is included in the interval.

The interval is finite.

The endpoint is not included in the interval.

The interval is infinite.

Tags

CCSS.6.EE.B.8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you represent an interval where X is less than or equal to a number?

With a rounded parenthesis at the endpoint.

With an open point on the number line.

With a dashed line on the graph.

With a square bracket at the endpoint.

Tags

CCSS.6.EE.B.8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a closed point on a number line indicate?

The interval is finite.

The endpoint is included in the interval.

The interval is infinite.

The endpoint is not included in the interval.

Tags

CCSS.6.EE.B.8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In interval notation, what does a rounded parenthesis signify?

The interval is closed.

The interval is open.

The endpoint is not included.

The endpoint is included.

Tags

CCSS.6.EE.B.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you express the interval from 1 to Infinity in inequality notation?

X ≤ 1

X > 1

X < 1

X ≥ 1

Tags

CCSS.6.EE.B.8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which symbol is used for Infinity in interval notation?

Closed point

Square bracket

Rounded parenthesis

Open point

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents a compound inequality?

X > 1

X < 3

-1 ≤ X < 3

X = 2

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