Scatter Plot

The equation of the line of best fit of a scatter plot is y = −7x − 2. What is the the y-intercept?

• -2

• -7

• 2

• 7

Tags

CCSS.HSF.LE.B.5

What type of association does the graph show between x and y?

• Linear positive association

• Nonlinear positive association

Tags

CCSS.8.F.A.3

The equation of the line of best fit of a scatter plot is
y = –4x – 6. What is the the y-intercept?

• -4x

• 6

• -6

• -10

Tags

CCSS.HSF.LE.B.5

The equation of the line of best fit of a scatter plot is
y = –7x – 2. What is the the y-intercept?

• -9

• -2

• 2

• -7x

Tags

CCSS.HSF.LE.B.5

The equation of the line of best fit of a scatter plot is
 y = –8x + 3. What is the the y-intercept?

• 11

• -5x

• 3

• y= mx + b

Tags

CCSS.HSF.LE.B.5

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.EE.B.5

• y = x ; 20
• y = x + 2 ; 22
• y = 2 ; 2
• y = 0.5x + 2 ; 12

Based on this scatter plot, a student with 6 absences should get approximately what score on the final exam? 

• ≅ 58

• ≅ 92

• ≅ 100

• ≅ 76

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5