# Representing simultaneous equations graphically (Part 1)

In this lesson you will learn how to solve simultaneous equations graphically.

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 5

Q1.What are the equations of the lines in the graph?

1/5

Q2.Estimate the point of intersection for the lines in the graph.

2/5

Q3.How would you change y = 4x - 2 in order to increase the x-ordinate of the point of intersection?

3/5

Q4.How would you change y = 4x - 2 in order to increase the y-ordinate of the point of intersection?

4/5

Q5.How would you change y = -x - 1 in order to decrease the x-ordinate of the point of intersection?

5/5

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 5

Q1.What are the equations of the lines in the graph?

1/5

Q2.Estimate the point of intersection for the lines in the graph.

2/5

Q3.How would you change y = 4x - 2 in order to increase the x-ordinate of the point of intersection?

3/5

Q4.How would you change y = 4x - 2 in order to increase the y-ordinate of the point of intersection?

4/5

Q5.How would you change y = -x - 1 in order to decrease the x-ordinate of the point of intersection?

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.

Quiz:

# Representing Simultaneous Equations Graphically Part 1 Quiz

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

## Question 5

Q1.Fill in the gaps: We can use ____ to solve simultaneous equations.

1/5

Q2.What are the coordinates of the points of intersection for y = x + 5 and y = -2x - 1?

2/5

Q3.Use a graph to solve y = x + 5 and y = -2x - 1 simultaneously.

3/5

Q4.Create equations for the following statements: "I'm thinking of 2 numbers that have a sum of 3", "I'm thinking of 2 numbers. I triple the first number and add the second to get -1".

4/5

Q5.Find the values of x and y that are true for both of the following statements: "I'm thinking of 2 numbers that have a sum of 3", "I'm thinking of 2 numbers. I triple the first number and add the second to get -1".

5/5

Quiz:

# Representing Simultaneous Equations Graphically Part 1 Quiz

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

## Question 5

Q1.Fill in the gaps: We can use ____ to solve simultaneous equations.

1/5

Q2.What are the coordinates of the points of intersection for y = x + 5 and y = -2x - 1?

2/5

Q3.Use a graph to solve y = x + 5 and y = -2x - 1 simultaneously.

3/5

Q4.Create equations for the following statements: "I'm thinking of 2 numbers that have a sum of 3", "I'm thinking of 2 numbers. I triple the first number and add the second to get -1".

4/5

Q5.Find the values of x and y that are true for both of the following statements: "I'm thinking of 2 numbers that have a sum of 3", "I'm thinking of 2 numbers. I triple the first number and add the second to get -1".

5/5

# Lesson summary: Representing simultaneous equations graphically (Part 1)

## 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