Question

Which of the following slopes show that the set of points C(1, 1), D(3, -4), E(5, 8) are not collinear?

Answer 1

c is the answer you want

Answer 2

C (-1, 1/2, -3/5) is INCORRECT and I know it isn’t (1/3, -5/3, -2/5)...... but I’m pretty sure the answer is 1/2, 3, 5

Explanation: