Year 8

Year 8

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## Lesson details

### Key learning points

1. In this lesson, we will be exploring the relationship between the gradients of perpendicular and parallel lines.

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
A line has the equation y = 2x + 1. What is the gradient of the line?
1
3
Q2.
Which of the following lines has a gradient of 3?
y = 2 - 3x
Correct answer: y = 3x + 1
y = x + 3
Q3.
Which of the following lines has the same gradient as the line y = 4 - 2x?
y = 2x - 4
y = 2x + 4
Correct answer: y = 5 - 2x
Q4.
Which of the following coordinates lies on the line y = 3x + 1?
(10,3)
(3,9)
Q5.
A line with a gradient of 3 passes through points (2,5) and (4,y). Work out the value of y.
10
8
9

## Exit quiz

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### 5 Questions

Q1.
What is the gradient of the orange line?
1
1.5
2
Q2.
What is the gradient of the green line?
1
2
4
Q3.
What is the gradient of the purple line?
-2
1
2
Q4.
Which of the following is parallel to y = 3x - 1?
y = 2x + 1
Correct answer: y = 3x + 1
y = 4x + 1
y = x + 3
Q5.
What is the gradient of the line passing through the points (4,5) and (6,9)?
1