Linear Models Make Predictions

• y= 8/7x+1
• y= 7/8x+1
• y= -7/8 +1
• y= -8/7+1

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

Find the slope for the trend line using points (2,2) and (4,3)

• 2

• 1/2

• -2

• -1/2

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

• Graph A

• Graph B

• Graph C

• Graph D

• 28

• 28.5

• .5

• 56.5

• 64

• 74

• 72

• 95

Using a linear model, which is the best prediction for the amount of sunny days if there were 10 rainy days?

• A

• B

• C

• D

Q1. What is the value of 1,000 + 11,121 + 1,148 + 11.48?

• 1,000

• 11,121

• 1,148

• 11.48

This table shows the relationship between humerus

(arm bone) length and a woman’s height.

Predict the height of a woman whose humerus length

is 40 cm.

• 176 cm

• 178.75 cm

• 173.25 cm

• 181.5 cm

• 27.5 miles

• 27.507

• 3 miles