Checking the solution of simultaneous equations

In this lesson, you will learn to check the solutions to simultaneous equations.

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.

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 1

Question 2

Question 3

Question 4

Question 5

Q1.Let p be the number of protractors bought. If each protractor costs £2, which of the following represents the total amount spent on protractors (in pounds)?

1/5

Q2.Let p be the cost of a protractor. If I buy 3 protractors, which of the following represents the total cost?

2/5

Q3.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does 15q represent?

3/5

Q4.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does p+q represent?

4/5

Q5.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does 20p+15q represent?

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.

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 1

Question 2

Question 3

Question 4

Question 5

Q1.Let p be the number of protractors bought. If each protractor costs £2, which of the following represents the total amount spent on protractors (in pounds)?

1/5

Q2.Let p be the cost of a protractor. If I buy 3 protractors, which of the following represents the total cost?

2/5

Q3.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does 15q represent?

3/5

Q4.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does p+q represent?

4/5

Q5.Let p be the number of protractors bought and q be the number of rulers bought. Protractors cost 20 pence and rulers cost 15 pence each. What does 20p+15q represent?

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.

Quiz:

Checking the solutions of simultaneous equations

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.If x=2 and y=3, what is the value of 2x+3y?

1/5

Q2.Is x=3 the solution to 2x+7=13?

2/5

Q3.Use substitution to decide which of the following are solutions to x+y=3.

3/5

Q4.Use substitution to decide which of the following is the solution to x+y=3 and 3x+4y=10.

4/5

Q5.Use substitution to decide which of the following is the solution to x+y=3 and 5y+3x=15.

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.

Quiz:

Checking the solutions of simultaneous equations

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

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.If x=2 and y=3, what is the value of 2x+3y?

1/5

Q2.Is x=3 the solution to 2x+7=13?

2/5

Q3.Use substitution to decide which of the following are solutions to x+y=3.

3/5

Q4.Use substitution to decide which of the following is the solution to x+y=3 and 3x+4y=10.

4/5

Q5.Use substitution to decide which of the following is the solution to x+y=3 and 5y+3x=15.

5/5

Lesson summary: Checking the solution of simultaneous equations

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