Charlene is knitting a baby blanket. She wants its width, w, to be at least half its length, l. She estimates that she has enoug
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to get the equation of any straight line, we simply need two points off of it, let's use those two points in the picture below.
keeping in mind that for the point-slope form, either point will do, in this case we used the second one, but the first one would have worked just the same.
