What is the distance between the points ( 2 , 10 ) (2,10) and ( − 4 , 2 ) (−4,2) in the x y − xy− plane?

Answer 1

Use the formula for the distance between two points:

distance = SQRT[ (x₂-x₁)² + (y₂-y₁)² ]

You can also look the formula up in your text book or on-line.