Higher

# Find the equation of a straight line through two given points

Higher

# Find the equation of a straight line through two given points

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## Lesson details

### Key learning points

- In this lesson, we will investigate how to calculate the equation of a line, given two pairs of coordinates that the line passes through.

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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### 4 Questions

Q1.

1. Which of these lines is parallel to y = −2𝑥 + 5?

A

B

D

Q2.

2. Which of these lines is parallel to y = −2𝑥 + 5 and passes through (3, 2)?

A

C

D

Q3.

3. Which of these lines is parallel to 4y = 6𝑥 + 9?

A

B

D

Q4.

4. Which of these lines is parallel to 4y = 6𝑥 + 9 and passes through (8, 5)?

B

C

D

### 4 Questions

Q1.

What is the equation of the line passing through A and B?

A

B

C

Q2.

What is the equation of the line passing through (2, 5) and (4, 11)?

A

B

D

Q3.

What is the equation of the line passing through (4, -5) and (2, 1)?

B

C

D

Q4.

Which of these coordinates is on the line which passes through (3, -7) and (-1, 1)?

A

C

D