CHAPTER 3

Try it yourself. Using a calculator you can do it fairly quickly AND you get a good sense of size. Then use the calculator to consider (√90)(√90) = and others. Without a calculator: have students graph y = √x by calculating outputs and plotting points (x, y) for the following x-values: 0, 1, 4, 9, 16 .25, 2.25, 6.25, -1 ................
................