All Tasks

Gradient m>0

Cross all correct statements of a proportional function.
 
# Direct proportionality & rule of three

Reasoning
7

Proportional graph

Select the graph of a proportional function.
 
# Direct proportionality & rule of three

Reasoning
7

The Bridge

One can describe the railway bridge as quadratic function $f(x)=ax^2+bx+c$. Calculate the value of the factor $a$ in the term of the quadratic function. Note: One meter is equal to one unit of length. Round to two decimal numbers.
 
# Quadratic functions

Modeling
9