NAME:______DATE:______SECTION:______

Homework: Unit 2, Homework #12: Due 1/7 Intro to Bivariate Data: See me or http://www.regentsprep.org/regents/math/algebra/AD4/scatter.htm for help

1) The owner of a cafe records the daily high temperature and the number of frozen yogurts sold at the cafe. The table shows the results for six days. Make a scatter plot below:

2) In question #1, what is the association between the temperature and the number of frozen yogurts sold? 1) positive, 2) negative, or 3) no association

3) For 10 days, Romero kept a record of the number of hours he spent listening to music. The information is shown in the table below.

Which scatter plot shows Romero’s data graphically? 1) 2) 3) 4)

Diamond Problems: Remember: the top number is the product of the left and right numbers. The bottom number is the sum of the left and right numbers.

How long did this assignment take you? ______page 1 of 3 Ex: 4) 5)

Regents Review – Make your thinking visible! Feel free to attach loose leaf if needed.

6) Marty sent 4 packages. Their masses were 3kg, 500 g, 600g, and 5kg. What was the approximate average mass of the packages in grams?

7) What is the slope of the line containing the points and ?

8) What is an equation of the line that passes through the point and has a slope of ? 1) 2) 3) 4)

9) Give the equation of the line that contains (3, -7) and (3, 2). 1) 2) y = -7 3) x = 3 4)

10) The gas tank in a car holds a total of 16 gallons of gas. The car travels 75 miles on 4 gallons of gas. If the gas tank is full at the beginning of a trip, which graph represents the rate of change in the amount of gas in the tank? 1) 2) 3) 4) NAME:______DATE:______SECTION:______

Check your solutions with this scrambled answer key 2 -36 3 2 7 -2/3 -5 -30 2300 1 (graph) 1

How long did this assignment take you? ______page 3 of 3