# Describe an enlargement with a negative scale factor

In this lesson, we will learn how to describe enlargements with a negative scale factor.

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.

#### Unit quizzes are being retired in August 2023

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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!

Q1.An enlargement with a negative scale factor will invert (flip upside down) the shape?

1/3

Q2.An enlargement with a negative scale factor will make the shape smaller?

2/3

Q3.What scale factor does this enlargement from Shape A to shape B show?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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!

Q1.An enlargement with a negative scale factor will invert (flip upside down) the shape?

1/3

Q2.An enlargement with a negative scale factor will make the shape smaller?

2/3

Q3.What scale factor does this enlargement from Shape A to shape B show?

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• 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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Describe an enlargement with a negative scale factor

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Shape A maps to shape B in an enlargement, calculate the scale factor.

1/3

Q2.Why have corresponding vertices been joined up in shapes A and B with straight lines in this enlargement?

2/3

Q3.The point at (-2,-1) is enlarged by a scale factor of -2 from the centre of enlargement at (0,0). What will the new coordinate of the point be?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Describe an enlargement with a negative scale factor

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Shape A maps to shape B in an enlargement, calculate the scale factor.

1/3

Q2.Why have corresponding vertices been joined up in shapes A and B with straight lines in this enlargement?

2/3

Q3.The point at (-2,-1) is enlarged by a scale factor of -2 from the centre of enlargement at (0,0). What will the new coordinate of the point be?

3/3

# Lesson summary: Describe an enlargement with a negative scale factor

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