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April 18, 2015

April 18, 2015

Posted by **anonymous** on Wednesday, July 21, 2010 at 6:33pm.

a.)Measure the width of the E on each card.

b.)Calculate the ratios:

width on card 1/width on card 2 and width on card 1/width on card 3.

c.)Use these ratios to predict how far Card 2 and Card 3 should be placed from the patient, if the patient’s vision is normal.

d.)Create the three cards and carry out the test with a partner. Do the results confirm your predictions?

e.)Can you describe how the experiment would change if Card 2 was placed 3 m away to start?

- Math -
**drwls**, Wednesday, July 21, 2010 at 7:43pmI will happy to criquue your work, but am not holding my breath waiting for that to happen.

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