Scatter Plots and Linear Functions

What is the line of best fit for this table?

• y = -.4x + 2

• y = 2x + 4

• y = .4x - 2

• y = .4x +2

Tags

CCSS.8.EE.C.8C

What is the Correlation Coefficient for this table?

• .111

• .333

• 2.69

• .427

Tags

CCSS.HSS.ID.C.8

What is the best estimate for the y-intercept of the line of best fit for this table?

• 2

• .4

• -2

• -.4

Tags

CCSS.8.EE.C.8C

What is the domain of this table?

• {1,4,2,7}

• {2,8,6,1}

• All real numbers x

• All real numbers y

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the range of the line of best fit for this table?

• {1,4,2,7}

• {2,8,6,1}

• All real numbers x

• All real numbers y

Tags

CCSS.HSF-BF.B.4D

If the line of best fit for this table is y = .4x + 2, what is the best estimate for y when x = 50?

• 20

• 22

• 120

• 122

Simplify the expression: 2(3x -4y -2) -6(x + y - 9)

• 6x -8y -54

• 12x -14y -58

• 12x +14y +50

• -14y+50

Tags

CCSS.6.EE.A.3