G8. 11.4 Interpreting graphs

Cambridge Lower Secondary Matheatics
Chapter 11.4 Interpreting graphs

This graph shows the fares charged by two different taxis.

Each taxi has a fixed charge and a charge per kilometre.

1. How much does each taxi charge for a journey of 7 km?

2. Find the fixed charge for each taxi.

3. Find the charge per kilometre for each taxi.

4. What distance will cost the same amount in either taxi?

Multiple Choice

Who ran at the same speed for 10 km?

• Sachita

• Anandhu

Multiple Choice

Who won the race?

• Sachita

• Anandhu

Multiple Choice

Which company is cheaper for a journey of 7 km?

• Taxi A

• Taxi B

Review Chapter 11

Draw

The cost of a holiday is $200 for travel plus $150 per night for a hotel.

A holiday that lasts n nights costs $c.

Write a function for c in terms of n.

Draw

The perimeter of this shape is p cm.

Write a function for p in terms of w.

Draw

Complete the table of values.

Draw

Find the gradient and the y-intercept of the line y = 3x + 6

Draw

Write the equation of a line parallel to y = 3x + 6 that passes through the origin.

Multiple Choice

Here is the equation of a line: y = 12 − 2x

Where does the line cross the y-axis?

• At (0, 12)

• At (12, 0)

• At (0, 6)

• At (6, 0)

Multiple Choice

Here is the equation of a line: y = 12 − 2x

What is the gradient of the line?

• 2

• -2

• 12

• 6

Dropdown

Describe how the depth in flask 1 is changing. Initially, the depth is ​

Select answer

cm. It increases for ​

Select answer

minutes at a rate of ​ ​

Select answer

​ cm per minute until the depth is ​ ​​

Select answer

 cm. The depth does not change after that.

Multiple Choice

The depth of water in flask 2 is d  cm after t minutes.

Choose the correct equation of the line for flask 2.

• d = 5t + 30  

• d = 6t + 30  

• d = 30 − 5t

• d = 30 − 6t