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