## Todas as tarefas

#### The burning down candle

A new candle is 24 cm high. After five hours a candle lose 10 cm of its height.
How long does it take for the candle to burn down completely? Give your answer in hours.

# Linear functions

Modeling

8

#### Intersection with x axis

Find the intersection of the line $y=\frac{3}{2}x-1$ with the x-axis.
Enter the related x-coordicate as a fraction.

# Linear functions

Training

8

#### Graphical intersection with y axis

Find the point y intersection of the linear function $y=\frac{3}{2}x-1$ from the graph given above. Enter the coordinates of the intersection point below.

# Linear functions

Training

8

#### Intersection with y axis

Find the y intersection of the linear function $y=\frac{3}{2}x-1$. Enter the coordinates of the intersection point below.

# Linear functions

Training

8

#### Linear sequence

Choose which of these sequences follow a linear model.

# Linear functions

Training

8

#### Speed of an object

A car moves in a straight street at a constant speed. It covers 300 km in 5 hours. Find the speed (velocity) of the car. Write the answer in km/h

# Linear functions

Training

8