Linear Equations & Correlation

What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

Which equation in standard form represents this graph?

• -3x +2y = -6

• 3x + 2y = 6

• -3x - 2y= 12

• -3x + 2y = -12

Which graph represents 2x + 4y = 12?

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Write an equation in standard form that passes through (6, 11) and (5, 9).

• 2x - y = 1
• 2x + y = 19
• 2x + y = 23
• x - 2y = -16

The table shows a relationships between x and y. Which of the following equations best represents this relationship?

• 5x + 2x = 24

• 5x + 2y = 12

• 5x + 2y = 24

• 5y + 2x = 12

Tags

CCSS.6.EE.C.9

The table shows the lengths and corresponding ideal weights of sand sharks. Which r-value is more accurate for the data?

• r = 0.99

• r = -0.90

• r = 0.09

• r = -0.099

Tags

CCSS.HSS.ID.C.8

r=0.3

• Strong positive 
• Weak positive
• Strong negative
• Weak negative 

Tags

CCSS.HSS.ID.B.5

r=-0.89

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

Tags

CCSS.HSS.ID.B.5