Algebra Practice Sheets (Page 2 of 2) in pdf

Algebra Practice Sheets Page 2

Olympic 500-meter Men’s Gold Medal Speed Skating Times. Let 1980 be x = 0

Year

Time

(seconds)

10. Linear Regression Line (in seconds) ________________________________

1980

422

11. In what year will the time be 378.3. Round to the nearest year.

1984

432

1988

404

1992

420

1996

395

12. What is the predicted time for 2004? Round to the nearest tenth.

Air Temp.

Wind Chill Temp.

13. Linear Regression Line _________________________________

14. On a cold winter day in Chicago the wind chill is –18. What is the

actual air temperature. Round to the nearest tenth.

-5

15. If the air temperature is –5º F, what is the wind chill. Round to the nearest tenth.

Forearm Length (cm)

Foot Length (cm)

16. Linear Regression Line _____________________________

17. An adult female that is in the 5

percentile on the growth

chart has a forearm length of 13 cm, what would her foot length

be? Round to the nearest whole number.

18. NBA players have an average foot length of 29 cm, what

would their average forearm length be? Round to the nearest

whole number.

Algebra Practice Sheets Page 2