Here's the question you clicked on:
michaelJordan
What are the intercepts of the equation -3x + 4y = 12? Select one of the options below as your answer: A. (-4,0), (0,3) B. (0,-4), (3,0) C. (4,0), (0,-3) D. (0,4), (-3,0)
http://www.mathsisfun.com/algebra/finding-intercepts-equation.html
so basically, to find the x's, you would substitute 0 for all the y's and vice versa.
For X: |dw:1337736139670:dw|