## All Tasks

#### 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

#### Is it a transformation?

Choose the results that are transformations of the linear equation
|x-|x||=10

# Polynomials

Training

7