René Descartes is considered one of the fathers of the scientific method, responsible for organizing the procedures adopted during scientific resea...

René Descartes is considered one of the fathers of the scientific method, responsible for organizing the procedures adopted during scientific research. He was also very influential in the way we describe space around us. The reference system with orthogonal axes that we use bears his name in homage. About the Cartesian plane and its quadrants, analyze the following sentences: I- Abscissas below the origin (first and fourth quadrants) are positive. II- Abscissas to the right of the origin (second and third quadrants) are negative. III- Ordinates above the origin (first and second quadrants) are positive. IV- Ordinates to the left of the origin (third and fourth quadrants) are negative. Choose the CORRECT alternative:

I- Abscissas abaixo da origem (primeiro e quarto quadrantes) são positivas.
II- Abscissas à direita da origem (segundo e terceiro quadrantes) são negativas.
III- Ordenadas acima da origem (primeiro e segundo quadrantes) são positivas.
IV- Ordenadas à esquerda da origem (terceiro e quarto quadrantes) são negativas.
a) Somente I e II estão corretas.
b) Somente I e III estão corretas.
c) Somente II e IV estão corretas.
d) Somente III e IV estão corretas.
e) Todas as sentenças estão corretas.