Scatterplot Table Slope

Which function (or equation) best represents the relationship in the graph?

• y = 5x

• y = 1/5x

• y = 2x

• y = 1/2x

Which equation best represents the information in the table?

• c =0.10m + 30

• c = 30m + .10

• c = .50m + 30

• c =30m + .50

Find the slope and y-intercept from the table.

• slope = 1/25, y-intercept 15

• slope = -1/25, y-intercept 15

• slope = -25, y-intercept 15

Write an equation that represents the relationship in the table.

• y = 50x + 200

• y = 200x + 50

• y = 250x

• y = 50x

Based on the scatterplot, what is the best prediction of the resting heart rate, in beats per minute, of a person who exercises an average of 8 hours each week?

• 30 beats per minute

• 50 beats per minute

• 55 beats per minute

• 60 beats per minute

Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week if that person spends an average of 10 hours on recreational activities every week?

• 33 hours

• 85 hours

• 50 hours

• 65 hours

Based on the scatterplot, approximately what score should a student receive with 6 absences?

• 65

• 92

• 67

• 76

Which equation can be used to describe the relationship between x and y in the graph?

• y = 3x +2

• y = -3x - 6

• y = 3x - 6

• y = 3x +2

What is the slope and y-intercept? 

• slope = 1/4 y-intercept = 1.5

• slope = 4 y-intercept = -1.5

• slope = -1/4 y-intercept = -1.5

• slope = -4 y-intercept = -1.5