Question

XY has endpoints at x(2,-3) and y(-1,2). what is the length of XY?

Answer 1

Let x(2,-3) (x1 , y1) and y(-1 , 2) (x2 , y2). Using distance formula, lXYl =
`\sqrt{[2-(-1)] ^(2)+[-3-2] ^(2) } = √(1+25) = √(26) = 5.09`units.