All Tasks
Tabletennis
The Chinese tabletennis player Ma Long is famous for his balloon defense. In one case, he make a ballon defense with 3.8 m height and a range of 10.6 m.
The flight path can be described by f(x) = - 0.14x² + 3.8
Cross all correct answers for this description.
# Quadratic functions
Modeling
9
Lake
The cross section of a lake can be approximately described by f(x) = 0.0016x². The depth of the lake is 38m. Calculate the area of the circular water surface area in m².
# Quadratic functions
Modeling
9
Area of a window
At a loft, there should be integrated a window like you can see it at the image. The owner of the loft wants a window as big as possible.
Calculate x for the largest window.
# Quadratic functions
Modeling
9
Two points, one graph
Determine the slope m of the graph which passes the points A(0|1) and B(2|2).
# Linear functions
Training
8
Reasoning challenge task
Please fill in the gap text on the Pythagoraen theorem.
# Pythagorean theorem
Reasoning
9
Reasoning task for Pythagoras
This task is a task where you have to fill a text with words from the word field of Pythagoras.
# Pythagorean theorem
Reasoning
9