Check out patterns 1, 2, 3 and 4 (below). Use two points on each line to find the slope of each line. Then identify the vertical intercept if possible. Write the relation as an equation between and .
Plot the points and try out your equations here:
Pattern 1
ps – what’s the area of the quadrilateral bound by the four lines? Use the polygon tool to check out your answer.
Pattern 2
Pattern 3
Pattern 4