# Representing simultaneous equations graphically (Part 2)

In this lesson, we will learn to recognise simultaneous equations with no solutions by representing the equations on a graph.

#### 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.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

#### 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.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

# 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:

# Representing Simultaneous Equations Graphically Part 2

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 statements is true?

1/5

Q2.Which of the following equations do not have solutions when solved simultaneously?

2/5

Q3.Which of the following equations have a solution where the x coordinate is negative?

3/5

Q4.Which of the following equations have a solution where both the coordinates are negative?

4/5

Q5.Which of the following equations have a solution where both the coordinates are positive?

5/5

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

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

# Representing Simultaneous Equations Graphically Part 2

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 statements is true?

1/5

Q2.Which of the following equations do not have solutions when solved simultaneously?

2/5

Q3.Which of the following equations have a solution where the x coordinate is negative?

3/5

Q4.Which of the following equations have a solution where both the coordinates are negative?

4/5

Q5.Which of the following equations have a solution where both the coordinates are positive?

5/5

# Lesson summary: Representing simultaneous equations graphically (Part 2)

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga