All Tasks
Prom night!
The cost of the annual Dance Night is depending on the number of students that will participate according to the value table of the picture.
Can you find the linear’s function slope that represents the cost depending on the number of students that will attend to your schools prom night?
# Linear functions
Training
8
Lorry
A lorry can have a total weight of 40t. The empty weight is 21.7t.
At a station bagger takes 1.5t on the lorry with every scoop. Calculate the number of scoops, the lorry can have.
# Proportionality
Modeling
8
Position of two graphs II
These graphs of the two linear functions $y_2 = 2x -1$ and $y_2 = -\frac{x}{2} +289$ are...
[Select the right answer below.]
# Linear functions
Training
8
Gradient and term
Cross the right statements for the function y = mx with the gradient m.
# Proportionality
Reasoning
8
Graph_parallel_perpendicular (Intermediate-Exercising)
The lines $r, s, t, u, v$ are represented in the figure.
State whether the following statements are true (T) or false (F).
- The lines $u$ and $v$ are parallel. **________**
- Line $s$ is perpendicular to line $v$. **________**
# Linear functions
Training
9
Race (Intermediate-Modelling )
Three friends decided to take a run. Ana used a bicycle, Filipa and Joana used cars. Joana's car is faster than Filipa's.
Each function of the figure corresponds to the race of each of the friends.
The expression $g(5)=125$ means that:
# Linear functions
Modeling
9