Question

Given the demand curve Q = 200 -4p

Graph the demand curve showing exactly where it cuts the axes.
How much is demanded at a price of $10? $11? $9?

Answer 1

Use simple algebra. It cuts the X axis at Q=200, it cuts the y axis at p=50.
Simply plug in p=10 and solve for Q. Repeat for 11, and 9.

Answer 2

Please, show me the answer