Solve simple quadratic inequalities

In this lesson, we will solve simple quadratic inequalities and express solutions using set notation.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Q1.What is the nth term of the sequence 2, 11, 26, 47, 74, …?

1/3

Q2.What is the nth term of the sequence 13, 10, 5, -2, -11, …?

2/3

Q3.What is halved to find the n² coefficient?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Q1.What is the nth term of the sequence 2, 11, 26, 47, 74, …?

1/3

Q2.What is the nth term of the sequence 13, 10, 5, -2, -11, …?

2/3

Q3.What is halved to find the n² coefficient?

3/3

Video

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  • Click "Next" to view the activity

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Solve simple quadratic inequalities

Solve simple quadratic inequalities and express solutions using set notation.

Question 1

Question 2

Question 3

Q1.1. What is the solution set for x² ≥ 25?

1/3

Q2.2. What is the solution set for x² - 7 > 74?

2/3

Q3.3. What is the solution set for 2x² - 11 ≤ 61?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Solve simple quadratic inequalities

Solve simple quadratic inequalities and express solutions using set notation.

Question 1

Question 2

Question 3

Q1.1. What is the solution set for x² ≥ 25?

1/3

Q2.2. What is the solution set for x² - 7 > 74?

2/3

Q3.3. What is the solution set for 2x² - 11 ≤ 61?

3/3

Lesson summary: Solve simple quadratic inequalities

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