Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

The line L has equation y=2x+8
The line L crosses the x-axis at the point A.
The line M is perpendicular to line L and passes through the point A

a) find the coordinates of the point A

b) find the equation of the line M

(Please answer with working out)