Question

The two most commonly used systems of coordinates are the rectangular (or Cartesian) and the

A. horizontal.
B. quadrant.
C. Euclidean.
D. polar.

Answer 1

the answer is B quadrant

Answer 2

D. Polar.

Explanation:

We are asked to choose the two most commonly used systems of coordinates.

We know that most commonly used systems of coordinates are the rectangular coordinate system and the polar coordinate system.

The rectangular coordinate system is also known as Cartesian coordinate system.

Therefore, option D is the correct choice.