Point-Slope, Slope-Intercept, Scatter Plots

What is the slope in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined 

Tags

CCSS.8.EE.B.5

Write a linear equation in slope intercept form of a line with a slope of 12 and y intercept of 10

• y=12x-10

• y=10x+12

• y=12x+10

• x=10x-12

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation of the graph in slope-intercept form

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the y-intercept of the line that passes through the given point and has the given slope:
 (-2, -1); m= -3

• b = -6

• b = -7

• b = 6

• b = 7

Write the equation of the line.

• y = -2/3x + 4

• y = 2/3x + 4

• y = 3/2x + 4

• y = -3/2x + 4

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

CCSS.HSF-LE.A.1B

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

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 pages would be in a book with 6 chapters. 

• ≅100 pages

• ≅170 pages

• ≅60 pages

• ≅20 pages

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

Tags

CCSS.HSF-LE.A.1B

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5