All Tasks
terms square 1
The depicted sequence of matchstick figures is continued. Indicate the number of matchsticks at the 4th step.
# Terms with variables
Modeling
7
Perimeter triangle
In an isosceles triangle, the base is 5 cm longer than each leg. Set up a term that can be used to determine the perimeter of the figure.
# Terms with variables
Modeling
7
Sequence of triangles 2
Determine a term that can be used for each step to determine the number of small triangles
from which each figure is built.
# Terms with variables
Modeling
8
Sequence of squares 2
Determine a term that can be used for each step to determine the number of small squares
from which each figure is built.
# Terms with variables
Modeling
6
Zero-point 1
$f(x) = (x - d)^2$, $d$ is a real number.
Cross the right answer.
The graph of the function has one zero-point for...
# Quadratic functions
Reasoning
9
Zero-point 2
$f(x) = x^2 + e$, $e$ is a real number.
Cross the right answer.
The graph of the function has two zero-point for...
# Quadratic functions
Reasoning
9