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CW 5.2 Ext Graphing proportional relationships

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Last updated over 4 years ago
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CW 5.2 Ext Graphing proportional relationships

In this lesson, you will
  • use graphs to determine whether two ratios form a proportion.
Starter
Example
Question 1
1.

Does the graph show a proportional relationship between x and y





Say Yes or No and explain why

Question 2
2.

Does the graph show a proportional relationship between x and y





Say Yes or No and explain why

Question 3
3.

Does the graph show a proportional relationship between x and y





Say Yes or No and explain why

Example
Question 4
4.

The word "interpret" means "explain what it means"




Interpret the point (4,60) on the graph above.

Question 5
5.

The word "interpret" means "explain what it means"



Interpret the point (6, 30) on the graph above.

Question 6
6.

Use a graph to tell whether x and y are in a proportional
relationship.


Say Yes or No in the answer box, but show on your graph to get full marks.

Question 7
7.

Use a graph to tell whether x and y are in a proportional
relationship.


Say Yes or No in the answer box, but show on your graph to get full marks.

Question 8
8.

Explain in your own words how do you know if a graph shows a proportional relationship

Reflect on your progress

Question 9
9.

Give yourself a rating on the lesson objective
From 1 - 5

I can use graphs to determine whether two ratios form a proportion..