Unit 13 Math 8 ESOL

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 equation of the line of best fit for the given data

• y=163.41x + 4.19
• y=-163.41x + 4.19
• y=-4.19x + 163.41
• y= 4.19x - 163.41
  

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

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

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

How many chemical engineers chose Science as their favorite subject?

• 80
• 91
• 171
• 262

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 1.91
• 52%
• 17%
• 35%

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Find the common difference: 29, 21, 13, 5, ...

• d = -10
• d = -9
• d = -8
• d = -7

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81
• 79, 88, 97
• 70, 79, 88
• 61, 70, 79