Algebra I EOC Practice #1 s3

Algebra I EOC Practice #28

SPI 3102.5.4: Generate the equation of a line that fits linear data and use it to make a prediction.

1. Predict the wingspan of a hawk 2. The average price of the that is 28 inches long. cost of a gallon of milk over a period of several years, is Length and Wingspan shown in the table below. of Hawks

Type of Lengt Wingspan Cost of a Gallon Milk Hawk h (in.) (in.) Year Year after Cost of a 1972 gallon of milk Cooper’s 21 36 1972 0 $1.20 Crane 21 41 1977 5 $1.68 1982 10 $2.24 Gray 18 38 1987 15 $2.28 Harris’s 24 46 1992 20 $2.78 1997 25 $3.22 Roadside 16 31 2002 30 $3.50 2007 35 $4.39 Broad – 19 39 winged Short – 17 35 If the trend continues, predict the Tailed average price of a gallon of milk in 2030. Swanson’s 19 46 A. $6.02

A. 40 B. $5.93

B. 42 C. $6.42

C. 44 D. $6.32

D. 52 4. The median home value, over a 3. Debbie recorded the time it took period of several years, is shown seven children of different ages to run in the table below. one lap around the track. Median Home Values

Age of Child Time Year of Years after Median (years) (seconds) home 1940 Home values Values 4 225 1940 0 $30,600 8 185 1950 10 $44,600 1960 20 $58,600 10 138 1970 30 $65,300 1980 40 $93,400 11 130 1990 50 $101,100 2000 60 $119,600 14 112

14 106 If the trend continues, predict the median 18 price of a home in 2030. 52 A. $154,300 Predict the length of time it should take Debbie’s 6-year-old niece to run one B. $159,250 lap? C. $162,200 A. 140 seconds D. $165,000 B. 185 seconds

C. 170 seconds

D. 200 seconds