Representing simultaneous equations graphically (Part 1)

In this lesson, we will learn how to solve simultaneous equations graphically by plotting them and identifying their point of intersection.

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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.What are the equations of the lines in the graph?
Please use this graph for all the questions:

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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.What are the equations of the lines in the graph?
Please use this graph for all the questions:

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

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.

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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.

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)

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