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Algebra 1 5-2 Guided Practice: Direct Variation

Last updated about 4 years ago

12 questions

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Question 1

1.

Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What is a general rule, written in sentence form, that you can use to model this situation?

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Question 2

2.

Take Note: What is a direct variation equation?

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Question 7

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Question 8

8.

Problem 3 Got it? Weight on the moon y varies directly with weight on Earth x. A person who weighs 100 lb on Earth weighs 16.6 lb on the moon. Consier the equation from the previous item. What is the graph of this equation?

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Question 9

9.

Take Note: Graph a direct variation equation. Zoom and pan your graph to establish an appropriate viewing window.

We have released a new and improved Graphing question type! Students will no longer be able to answer this question.

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Question 12

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Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

Question 3

3.

Take Note: What is a constant of variation?

Question 4

4.

Take Note: Provide an example of a simplified direct variation equation. Your equation should include x, y, and a number.

Question 5

5.

Question 6

6.

Problem 3 Got it? Weight on the moon y varies directly with weight on Earth x. A person who weighs 100 lb on Earth weighs 16.6 lb on the moon. What is an equation that relates weight on earth x and weight on the moon y?

y=166x

y=0.166x

y=6.02x

Question 10

10.

Take Note: What point do all graphs of direct variation equations have in common?

Question 11

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Problem 1 Got It?

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D

Problem 2 Got It?

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B

C

D

Problem 4 Got It?

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B

C

D