12. In the previous question, how did you decide if the given points were on the given equation's graph? For all of them, I looked at the graph and decided if the point was there. For some of them, I looked at the graph and decided if the point was there. For some of them, I substituted the x-value into the equation and matched the y-value. I just guessed until I got it correct. There were 32 different options, so it took a LONG TIME!