Linear Models Quick Check

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? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.3

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What is the correlation between length of running start and distance of jump?

• positive: the further you run the further you jump

• negative: the less you run the less distance of your jump

What type of correlation does this graph have?

• Negative 
• no association
• positive 

Tags

CCSS.HSF-LE.A.1B

Which scatter plot show a positive relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.HSA.REI.D.12

Which scatter plot shows a negative relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.EE.B.5

The equation of the trend line
is  y= 1/2x +1. Use the equation to determine the amount of time it would take to bike 20 laps. 
*Look at the x and y axis first before starting the problem
   

• 38 minutes
• 11 minutes
• 41 minutes
• 10 minutes

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.F.A.3

CCSS.8.SP.A.3

What is the y-intercept?

• -2

• 3

• 2

• -3

Tags

CCSS.8.F.B.4

CCSS.8.F.A.3

CCSS.8.EE.B.6

What is the equation of the line of best fit?

• y= $-\frac{1}{2}x\ +\ 6$

• y= $\frac{1}{2}x\ +6$

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5

How many attended the basketball game but did not attend the school play?

• 63

• 55

• 118

• 88

Tags

CCSS.4.OA.A.3

What percent of people who attended the basketball game also attended the school play?

• 38%

• 47%

• 25%

• 54%

Tags

CCSS.6.RP.A.3C