Slope and Similar Triangles. Similar right triangles can be made on every linear function . Remember the edges of similar triangles are proportional. 10. This means that the slope or slant of the line has a uniform rate of change. 4. 6. 15. 2. 3. X. X. Y. Y. -4. -2. 3. -3. 8. 6.
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Remember the edges of similar triangles are proportional
This means that the slope or slant of the line has a uniform rate of change.
Example #1: Plot the two points from each function chart and draw the lines. Decide if the functions are parallel or not by drawing the two right triangles and determining if the triangles are similar.
These linear functions are parallel.
Example 2: Graph the points in the function chart, draw the line that passes through the points, and draw two similar right triangles(these may not be congruent) with their hypotenuses on the line.