Page 151 - IM_Algebra1_FL Print Sample.pdf
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Problem Statement
a. What is the equation of the line of best t? Round numbers to 2 decimal places.
b. What does the equation estimate for when is 2.3? Round to 3 decimal places.
c. How does the estimated value compare to the actual value from the table when is 2.3?
d. How does the estimated value compare to the actual value from the table when is 3?
2.3
6.2
2.8
5.7
3.1
4.7
3
3.2
3.5
3
3.8
2.8
Solution
a.
b. 6.195
c. Sample response: The values are very close, di ering only by 0.005.
d. Sample response: The estimated value is 4.48 since and the actual value is 3.2. These are di erent by 1.28, which is relatively large compared to the other values.
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Teacher Guide Algebra
