# Find the equation of a straight line through two given points

In this lesson, we will investigate how to calculate the equation of a line, given two pairs of coordinates that the line passes through.

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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.Which of these lines is parallel to y = −2𝑥 + 5?

1/4

Q2.Which of these lines is parallel to y = −2𝑥 + 5 and passes through (3, 2)?

2/4

Q3.Which of these lines is parallel to 4y = 6𝑥 + 9?

3/4

Q4.Which of these lines is parallel to 4y = 6𝑥 + 9 and passes through (8, 5)?

4/4

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.Which of these lines is parallel to y = −2𝑥 + 5?

1/4

Q2.Which of these lines is parallel to y = −2𝑥 + 5 and passes through (3, 2)?

2/4

Q3.Which of these lines is parallel to 4y = 6𝑥 + 9?

3/4

Q4.Which of these lines is parallel to 4y = 6𝑥 + 9 and passes through (8, 5)?

4/4

# 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

Your video will re-appear on the next page, and will stay paused in the right place.

# 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:

# Find the equation of a straight line through two given points

Find the equation of a straight line through two given points

Q1.What is the equation of the line passing through A and B?

1/4

Q2.What is the equation of the line passing through (2, 5) and (4, 11)?

2/4

Q3.What is the equation of the line passing through (4, -5) and (2, 1)?

3/4

Q4.Which of these coordinates is on the line which passes through (3, -7) and (-1, 1)?

4/4

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:

# Find the equation of a straight line through two given points

Find the equation of a straight line through two given points

Q1.What is the equation of the line passing through A and B?

1/4

Q2.What is the equation of the line passing through (2, 5) and (4, 11)?

2/4

Q3.What is the equation of the line passing through (4, -5) and (2, 1)?

3/4

Q4.Which of these coordinates is on the line which passes through (3, -7) and (-1, 1)?

4/4

# Lesson summary: Find the equation of a straight line through two given points

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga