Measurement and Geometry

Activity 8: Drip, Drip, Drip

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f. Now select the first point on the line.

"until X=1 $ until Y=4

b to select the first point on the line

g. Select the second point on the line.

"until X=2

$until Y=8

bto select the second point

The screen shows the expression for the line.

h.Save the line. b

4.Turn on Trace.

* ).

Ask: Was your prediction correct?

5.Investigate if the drip were half as fast. Use the same procedure as above to place a manual-fit line on the graph and paste the expression into the Y= editor.

Extensions

If there are approximately 55,000,000 homes in North America and each has one dripping faucet, how much water is wasted per day? Per year?

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