Algebra 1 5-2 Guided Practice: Direct Variation
By Matt Richardson
Last updated about 2 years ago
12 Questions
10
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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10
2.
Take Note: What is a direct variation equation?
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3.
Take Note: What is a constant of variation?
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4.
Take Note: Provide an example of a simplified direct variation equation. Your equation should include x, y, and a number.
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5.
Problem 1 Got It?
10
6.
Problem 2 Got It?
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7.
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?
N.Q.2
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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?
N.Q.2
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9.
Take Note: Graph a direct variation equation. Zoom and pan your graph to establish an appropriate viewing window.
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10.
Take Note: What point do all graphs of direct variation equations have in common?
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11.
Problem 4 Got It?
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12.
Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?