Todas as tarefas
Inverse matrix
Given a matrix $A$ and its inverse matrix $B$. Choose the correct statements.
We define $I$ as the identity matrix and $A^{T}$ as the transpose of $A$. Further, $k\neq0$ is a scalar and $det(A)$ represents the determinant of A.
# Inverse
Reasoning
13
Valor exacto: Teoremas de ángulos
La imagen muestra dos rectas paralelas intersecadas por una tercera. Determina la medida del ángulo β e introduce el valor exacto (sin °) en el campo de respuesta de abajo.
# Angles
Training
7
Juio Le Parc Serie 48 - 1970
In this series, the Argentinian Op'Art artist Juli Le Parc, uses his famous 14 color palette to let mathematics mix them in a fixed but rather randomly looking way. Let's investigate what is happening there!
# Sequences
Modeling
5
Ampliación de polinomios
[MOOC] Halla un polinomio de segundo grado que sea divisible por $(x-1)$ y que, al dividirlo entre $(x-1)$ y entre $(x-2)$, se obtenga como resto 10 y 5 respectivamente
# Monomials & polynomials
Reasoning
6
Refuerzo de la división
Calcula la cociente y el resto de la división: $(2x^{5}-3x^{3}+2x-1):(x+2)$
# Polynomial functions
Learning
10
3D Pythagoras
Find out the distance, in $ cm$, between point $A$ and $ G$.
Give your answer with one decimal place.
# Pythagorean theorem
Training
8