# 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.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letβs see what you can remember from this topic. Hereβs a quick quiz!

Q1.Which of these lines is parallel to y = β2π₯ + 5?

1/4

Q2.Which of these lines is parallel to y = β2π₯ + 5 and passes through (3, 2)?

2/4

Q3.Which of these lines is parallel to 4y = 6π₯ + 9?

3/4

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

4/4

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, letβs see what you can remember from this topic. Hereβs a quick quiz!

Q1.Which of these lines is parallel to y = β2π₯ + 5?

1/4

Q2.Which of these lines is parallel to y = β2π₯ + 5 and passes through (3, 2)?

2/4

Q3.Which of these lines is parallel to 4y = 6π₯ + 9?

3/4

Q4.Which of these lines is parallel to 4y = 6π₯ + 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 βResume Videoβ 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 βNextβ below.

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

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

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga