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.
When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). The reflection of the point (x,y) across. the line y = x is the point (y, x). The reflection of the point (x,y) across. the line y = -x is the point (-y, -x).