Question

Determine whether each of given points (-2,1) (2,-2) and (5,2)

Answer 1

Answer:

the given points are the vertices of a right triangle

Step-by-step explanation:

Let A (-2,1), B(2,-2) & C(5,2) be the given points.

AB²=16+9= 25

BC² = 9+16=25

CA² = 49+1=50

Thus we find that AB²+ BC² = CA²

Thus the given points are the vertices of a right triangle.

Answer 2

Answer:

(-2,1) lies in the second quadrant

(2,-2) lies in the forth quadrant

(5,2) lies in the first quadrant