Vídeos alumnos 4º ESO sobre trigonometría

How to determinate the different solutions for a system of equations

How to determine the number of solutions of a system of equations using algebraic reasoning (example): Sal solves several examples where he reasons about the number of solutions of systems of equations using algebraic reasoning.

System of equations with elimination

Systems of equations with substitution: -3x-4y=-2 & y=2x-5: Sal solves the system of equations -3x - 4y = -2 and y = 2x - 5 using substitution.

Calculo del punto simétrico a un punto 4º ESO

Geometría analítica 4º ESO opción B. Temas 9 y 10

Os dejo actividades resueltas para los dos temas de geometría analítica
Aquí