Linear Equations and Line of Best Fit

The equation of the trend line
is  y= 1/2x +1
How many laps can a bicycle
make around the park in
23 minutes?    

• 44 laps

• 12 1/2 laps

• 23 laps

• 617.51 miles

• 621.09 miles

• 100 miles

• 0.19 miles

What type of correlation does this scatter plot show?

• positive 

• negative

• no correlation

• nonlinear association

Find the slope from the table:

• -2/5

• 5/-2

• 5/2

• 2/5

Determine the predicted income if 22 hours were worked on an assembly job.

• $207.30

• $449.60

• $691.90

• $543.30

What is the y-intercept?

• -2

• 3

• 2

• -3

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

The equation of the trend line is y= 1/2x +1
How many laps can a bicycle make around the park in 23 minutes?

• 44 laps

• 12 1/2 laps

• 23 laps

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Find the slope from the table:

• -2/5

• 5/-2

• 5/2

• 2/5