# Equivalent lines

In this lesson, we will investigate the equations of equivalent lines, using some algebraic manipulation to check equality.

#### 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.A line has a gradient of 3 and a y-intercept of 4. What is the equation of the line?

1/5

Q2.A line has a gradient of -2 and a y-intercept of 5. What is the equation of the line?

2/5

Q3.A line has a gradient of 3 and goes through the point (0,2). What is the equation of the line?

3/5

Q4.What is the gradient of the line going through the points (4,5) and (5,7)?

4/5

Q5.What is the gradient of the line that goes through the point (3,4) and (4,1)?

5/5

#### 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.A line has a gradient of 3 and a y-intercept of 4. What is the equation of the line?

1/5

Q2.A line has a gradient of -2 and a y-intercept of 5. What is the equation of the line?

2/5

Q3.A line has a gradient of 3 and goes through the point (0,2). What is the equation of the line?

3/5

Q4.What is the gradient of the line going through the points (4,5) and (5,7)?

4/5

Q5.What is the gradient of the line that goes through the point (3,4) and (4,1)?

5/5

# 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.

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

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

# Equivalent Lines

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

Q1.Which of the following lines is equivalent to y = 2x + 1

1/5

Q2.Which of the following lines is equivalent to 2y + 4x = 2?

2/5

Q3.Which of the lines is not equivalent to y = 2x + 1?

3/5

Q4.Which of the following lines is not equivalent to 12y = 6x + 6

4/5

Q5.Which of these is a coordinate on the line 2x + y = 5

5/5

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

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

# Equivalent Lines

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

Q1.Which of the following lines is equivalent to y = 2x + 1

1/5

Q2.Which of the following lines is equivalent to 2y + 4x = 2?

2/5

Q3.Which of the lines is not equivalent to y = 2x + 1?

3/5

Q4.Which of the following lines is not equivalent to 12y = 6x + 6

4/5

Q5.Which of these is a coordinate on the line 2x + y = 5

5/5

# Lesson summary: Equivalent lines

## 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:
Dance