Home. Certified Services Inc. is a collection agency offering a full array of accounts receivable solutions. Since Certified Services Inc. was founded in 1960, we have been providing excellent customer service and superior collection results for our customers.ome. Certified Services Inc. is a collection agency offering a full array of accounts receivable solutions. Since Certified Services Inc. was founded in 1960, we have been providing excellent customer service and superior collection results for our customers.
Report Abuse. the point where the graph crosses the y-axis is the y-intercept, and the x-coordinate of this is 0 since it is crossing the y-axis (any point on the y-axis has an x-coordinate of 0). bialy Â· 7 years ago. Thumbs up.
The vertical line is known as the y axis. It is nothing more than a measuring stick to count how far up or down a point is from the horizontal line. The horizontal line, then, is known as the x axis and measures the distance left or right from the vertical line.