8th Grade Unit 3 Pre-Test

Which scatter plot shows a negative correlation for the data?

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Which scatter plot shows the line of best fit for the given data?

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Tags

CCSS.8.EE.B.5

What relationship is shown by this scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is no relationship between the cost and the number sold.

Tags

CCSS.HSF-LE.A.1B

Jose wants to know if he is improving his skill on the guitar. He created a scatterplot and drew a line of best fit.

The scatter plot shows the lowest-priced air fare for flights from Baltimore, MD to various destinations. A line of best fit has been graphed.

Based on this graph, which statement best represents the data?

• There is a $100 fare fee regardless of how far you travel.

• There is a $200 fare fee regardless of how far you travel.

• Every ticket costs $40.

• Every ticket costs $200

Tags

CCSS.HSF.LE.B.5

A plumber charges customers $75 for each hour worked plus an additional $20 for travel. If h represents the number of hours worked and c represents the total charge, which of the following equations could be used to calculate the plumber's total charge in dollars?

Tags

CCSS.6.EE.C.9

• It is emptying at a rate of 1,160 gallons per hour.

• It is emptying at a rate of 40 gallons per hour.

• It is filling at a rate of 1,200 gallons per hour.

• It is filling at a rate of 40 gallons per hour.

Tags

CCSS.HSF.LE.B.5

• As n increases, p decreases.

• As n increases, p sometimes increases and sometimes decreases.

• As n increases, p increases.

• As n increases, p stays the same.

Tags

CCSS.HSF-LE.A.1B

The graph shows the amount of weight Stephen has lost over a 28-week period.

What does the slope of this graph represent?

• Number of weeks

• Weeks per pound lost

• Pounds lost per week

• Maximum number of pounds lost

Tags

CCSS.8.EE.B.5

Chloe made a graph to show the relationship between the number of circus prizes purchased and the total cost of the prizes.

Which measurement from the graph represents the amount of money she spent?

• The y-axis

• The x-axis

• The slope of the line

• The distance between each point.

Tags

CCSS.HSF.LE.B.5