Graphing the Relationship Between Two Variables

What type of association does this graph have?

• positive

• negative

• none

• all of the above

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

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

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

The relationship between the number of minutes a child does math problems and the amount of math problems the child completes is y = 2x

Graph three points that follow this rule. (Hint: There are 5 possible points you could plot.)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Graph the line that represents the equation y=3x-5 by placing 2 points on the line.

James buys 4 pens for $3. Which three points lie on the line that best represents the total cost, y, of x pens?

Shade the THREE correct circles that represent the points.

Tags

CCSS.8.EE.B.5

Label each line with the correct equation.

a

b

c

d

Tags

CCSS.8.EE.B.5

Nate had a collection of 90 comic books. He gave away 5 per week.

Which three points lie on the line that best represents this situation between the number of comic books, y, and the number of weeks, x?

Tags

CCSS.8.EE.B.5

Complete the graph for the equation y=3x. Choose three points.

Identify the nature of solution from the graph given.

• Consistent and unique solution

• Inconsistent : No solution

Tags

CCSS.8.EE.C.8A