Question

3a) Find length between A(-3,8) and B(5,-4) in simplest radical form:

Answer 1

Find length between A(-3,8) and B(5,-4) in simplest radical form:

we know that

The distance between two points is equal to

`d=\sqrt[]{(y2-y1)^2\text{ +(x2-x1)\textasciicircum{}2}}`

we have

(x1,y1)=A(-3,8)

(x2,y2)=B(5,-4)

substitute in the formula