Question

Point C had the coordinates (-1,4) and point D has the coordinates (2,0). What is the distance between points C and D

Answer 1

We can use the formula for finding the length or magnitude of line joining two points.

Length = √((x2-x1)² + (y2-y1)²)

The points joining the line are C (-1,4) and D (2,0)

Length = √((2+1)² + (0-4)²)

          = √((3²) + (-4)²)

          = √ (9+16)

          = √25

          = 5 units

I am not 100% credible for this answer if it is incorrect, I do apologize.