CCSS.Math.Content.HSS.ID.C.7

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

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CCSS.Math.Content.HSS.ID.C.7

 Identify the slope-intercept equation:

• y = 2x - 2
• y = -2x + 2
• y = -2x + 4
• y = 2x + 4

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CCSS.Math.Content.HSS.ID.C.7

How much does it cost to have your lawn mowed for 2 hours?

• $16
• $17
• $18
• $19

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CCSS.Math.Content.HSS.ID.C.7

Find the slope from the table.

• -4
• 1
• 4
• -2

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CCSS.Math.Content.HSS.ID.C.7

_{What is the y-intercept of the line?}

•  (0,¹/₂)
• (0,1)
• (0, ^-1/2)
• (0, -1)

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CCSS.Math.Content.HSS.ID.C.7

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

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CCSS.Math.Content.HSS.ID.C.7

What is the y-intercept of the line?

• (0, 3)
• (0, -3)
• (0, -2)
• (0, 3)

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CCSS.Math.Content.HSS.ID.C.7

What does 'b" represent in y=mx+b

• y-intercept
• beans
• x-intercept
• slope

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CCSS.Math.Content.HSS.ID.C.7

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.Math.Content.HSS.ID.C.7

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

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CCSS.Math.Content.HSS.ID.C.7