Slope Intercept Graphing (checking correctness using computational layer)

I’m interested in giving students an equation such as y = 5x - 3 and have the students drag two different points on the graph to actually graph the equation. I know how to make movable points using sliders and how to have a line pass through the points using said sliders. I’m interested in finding out if there is a way using the computation layer to check if their line is correct.

Here’s an example of one that should work. I included a variation using xyLine as well. line check • Activity Builder by Desmos

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Thank you. It works perfectly.