11.3 Scatter Plots & Trend Lines

Match the scatter plot to the equation that could represent the equation of its trend line.

• a. y = 3x

• b. y = 4x - 2

• c. y = -x + 5

• d. y = -5x

• e. y = -2x - 4

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Match the scatter plot to the equation that could represent the equation of its trend line.

• a. y = 3x

• b. y = 4x - 2

• d. y = -5x

• e. y = -2x - 4

• g. The relationship is not linear.

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Match the scatter plot to the equation that could represent the equation of its trend line.

• a. y = 3x

• b. y = 4x - 2

• d. y = -5x

• e. y = -2x - 4

• f. y = x + 3

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Match the scatter plot to the equation that could represent the equation of its trend line.

• a. y = 3x

• b. y = 4x - 2

• d. y = -5x

• e. y = -2x - 4

• f. y = x + 3

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Which equation matches the trend line?

• $y=\frac{1}{2}x$

• $y=\frac{1}{2}x+6$

• $y=-\frac{1}{2}x\ +\ 6$

• $y=-\frac{1}{2}x\ -\ 6$

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Which equation matches the trend line?

• $y=\frac{10}{3}x+20$

• $y=\frac{3}{10}x\ +\ 20$

• $y=\frac{1}{3}x\ +\ 20$

• $y=3x\ +20$

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Which equation matches the trend line?

• $y=x+0$

• $y=25x$

• $y=25x\ +\ 250$

• $y=50x$

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Use the scatter plot to mark each statement as true or false: The equation of the trend line is y = 2500x -125

• True; the equation is y = 2500x -125

• False; the equation is y = -250x + 2500

• False; the equation is y = 2500x - 250

• False; the equation is y = -125x + 2500

Tags

CCSS.8.F.A.3

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Use the scatter plot to mark each statement as true or false: The group of hikers descends about 250 feet every minute.

• True

• False; the hikers descend about 125 feet every minute.

• False; the hikers descend about 2500 feet every minute.

• False; the hikers descend about 200 feet every minute.

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Use the scatter plot to mark each statement as true or false: The hikers began at an elevation of about 2,500 feet.

• True

• False; the hikers began at 125 feet.

• False; the hikers began at 250 feet.

• False; the hikers began at 1000 feet.

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2