# Comparing algebraic and graphical methods for solving simultaneous equations

In this lesson, we will learn about the benefits of using graphical or algebraic methods to solve simultaneous equations.

#### 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 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:

# 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 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

# 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:

# Comparing Algebraic and Graphical Methods for Solving Simultaneous Equations Quiz

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 can you solve simultaneously?

2/5

Q3.Solve y = 4x - 5 and 2y + 6x = 18 simultaneously using a graphical method.

3/5

Q4.Solve 2y = 6x - 10 and 3y + 6x = 15 simultaneously using an algebraic method.

4/5

Q5.Solve y + x = 5 and y = 5x + 11 simultaneously using both an algebraic method and a graphical method.

5/5

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

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

# Comparing Algebraic and Graphical Methods for Solving Simultaneous Equations Quiz

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 can you solve simultaneously?

2/5

Q3.Solve y = 4x - 5 and 2y + 6x = 18 simultaneously using a graphical method.

3/5

Q4.Solve 2y = 6x - 10 and 3y + 6x = 15 simultaneously using an algebraic method.

4/5

Q5.Solve y + x = 5 and y = 5x + 11 simultaneously using both an algebraic method and a graphical method.

5/5

# Lesson summary: Comparing algebraic and graphical methods for solving simultaneous equations

## 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