Integrated Math 1 Chapter 4 Review

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79
• y = -1.79x + 61.93
• y = 0.016x + 0.03
• y = 0.03x + 0.016

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CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What type of association does this graph have?

• positive
• negative
• none
• all of the above

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CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

After performing analyses on a set of data, Mrs. Schoeneck examined the scatter plot of the residual values for each analysis. Which scatter plot indicated the best linear fit for the data?

• A
• B
• C

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CCSS.HSS.ID.B.6

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

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CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

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CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Find the slope of the line that goes through the points (-8,6) and (7,-3).

• 1/3
• -1/3
• -3/5
• -5/3

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CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

A line contains the points (4, 3) and (19, −2). Which equation represents this line?

• y = -x + 7
• y = -3x + 12
• y = - 1/3x + 13/3
• y = 1/3x + 5/3

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.B.5

8(x+ 6) = 4x - 16

• x = -11
• x = -16
• x = -6
• x = -24

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CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve for the value of x.

• -2

• -3

• -4

• -5

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CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Solve for x

• x=7

• x=-7

• x=2

• x=-2

• x=1

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CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3