PSABM5ZH - Practice---Acc7.5 Lesson 20 Describing Trends in Scatter Plots (8.SP.A.1, 8.SP.A.2)
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Part A)

Draw a line that you think is a good fit for this data. For this data, the inputs are the horizontal values, and the outputs are the vertical values.

 

 

Draw your graph with a line on paper, take a picture, and upload it using the image upload icon .

 

If you do not have the ability to upload an image of your work type "Graph is on paper."

 

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Part B)

Use your line of fit to estimate what you would expect the output value to be when the input is 10.

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Part A)

Here is a scatter plot that shows the most popular videos in a 10-year span.

 

 

Use the scatter plot to estimate the number of views for the most popular video in this 10-year span.

 

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Part B)

Estimate when the 4th most popular video was released.

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Here are Circles c and d. Point O is the center of dilation, and the dilation takes Circle c to Circle d.

 

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Draw your diagram on paper, take a picture, and upload it using the image upload icon .

 

If you do not have the ability to upload an image of your work, type "Diagram is on paper."

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Part A)

Triangle A is an isosceles triangle with two angles of measure x degrees and one angle of measure y degrees.

 

Find three combinations of x and y that make this sentence true.

 

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Part B)

Triangle A is an isosceles triangle with two angles of measure x degrees and one angle of measure y degrees.

 

Write an equation relating x and y.

 

Use x and y as your variables. Don't include any spaces in your equation. For ex: 3x+y=180

 

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Part C)

If you were to sketch the graph of this linear equation, what would its slope be? 

 

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part D)

How can you interpret the slope in the context of the triangle?

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Part A)

Mai earns $7 per hour mowing her neighbors' lawns. She also earned $14 for hauling away bags of recyclables for some neighbors. Priya babysits her neighbor’s children. The table shows the amount of money m she earns in h hours. Priya and Mai have agreed to go to the movies the weekend after they have earned the same amount of money for the same number of work hours.

 

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How many hours do they each have to work before they go to the movies?

 

Don't include labels (hours) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

How much will each of them have earned?

 

Don't use labels ($) in your answer.

Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part C)

Explain where the solution can be seen in tables of values, graphs, and equations that represent Priya's and Mai's hourly earnings.

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