## All Tasks

#### Identifying the graph

Which one is the correct equation for the graph of the image?

# Quadratic functions

Reasoning

8

#### Values of the quadratic function f(x) = x²

Obtain the image of the quadratic function f(x) = x² for x = -3, -2, -1, 0, 1, 2 and 3

# Quadratic functions

Training

8

#### Another challenge task

There is not only the possibility of discovering one challenge task, but any number is imaginable. They appear only once the preceding one is completed successfully.
Be careful and look out for where to find them.

# Units & rounding

Training

5

#### From transformations or not?

Which of the following equations resulted from transformations from the equation 4x - 6 = 10?

# Linear equations

Reasoning

9

#### Number puzzle

Which term matches the number puzzle?
3 consecutive numbers add up to 99.

# Linear equations

Reasoning

9

#### Video games 3

Carla and Javier have €36 between the two of them to buy video games. If Carla has twice as much money as Javier, how much money do each of them have?

# Linear functions

Modeling

7