Question

Show that points A(-3,-2),B(3,1), and C(5,2) lie on a straight line​

Answer 1

Explanation:

If A, B, and C are on the same line, they have the same slope.

k is slope.

k(AB) =
`((1+2))/((3+3)) =(1)/(2)`;

K(BC)=
`(2-1)/(5-3) =(1)/(2)`;

So k(AB)=K(BC)