Question

P is the point (a, a-2) and Q is the point (4-3a, -a).

A.) Find the gradient of the line PQ.

B.) Find the gradient of a line perpendicular to PQ.

C.) Given that the distance PQ is 10√5, find the two possible values of a
Please show your work.

Answer 1

Answer:

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.