Algebra 1 5-2 Complete Lesson: Direct Variation

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A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

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Algebra 1 5-2 Complete Lesson: Direct Variation

Algebra 1 5-2 Complete Lesson: Direct Variation

Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What general rule can you use to model this situation?

Problem 1 Got It?

Problem 2 Got It?

Problem 4 Got It?

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The constant of variation for a direct variation represented by y = kx is y/x.

Reasoning: Suppose q varies directly with p. Does this imply that p varies directly with q? Explain.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
-2x - 5 for x = 3
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
¼x + 2 for x = 16
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
8 - 5n for n = 3
Enter only a number.

Vocabulary Review: Classify each formula from the image below as representing slope or not representing slope.

Use Your Vocabulary: Drag the correct word from the list to complete each sentence.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.

Reflection: Math Success

Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What general rule can you use to model this situation?

Problem 1 Got It?

Problem 2 Got It?

Problem 4 Got It?

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The constant of variation for a direct variation represented by y = kx is y/x.

Reasoning: Suppose q varies directly with p. Does this imply that p varies directly with q? Explain.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
-2x - 5 for x = 3
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
¼x + 2 for x = 16
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
8 - 5n for n = 3
Enter only a number.

Vocabulary Review: Classify each formula from the image below as representing slope or not representing slope.

Use Your Vocabulary: Drag the correct word from the list to complete each sentence.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.

Reflection: Math Success

Algebra 1 5-2 Complete Lesson: Direct Variation

Algebra 1 5-2 Complete Lesson: Direct Variation

Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What general rule can you use to model this situation?

Problem 1 Got It?

Problem 2 Got It?

Problem 4 Got It?

Vocabulary: Determine whether each statement is always, sometimes, or never true.The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.The constant of variation for a direct variation represented by y = kx is y/x.

Reasoning: Suppose q varies directly with p. Does this imply that p varies directly with q? Explain.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.-2x - 5 for x = 3Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.¼x + 2 for x = 16Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.8 - 5n for n = 3Enter only a number.

Vocabulary Review: Classify each formula from the image below as representing slope or not representing slope.

Use Your Vocabulary: Drag the correct word from the list to complete each sentence.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.For a refresher on the Cornell note-taking system, click here.

Reflection: Math Success

Solve It! The diagram shows how long it takes to hear thunder after you see lightning. What general rule can you use to model this situation?

Problem 1 Got It?

Problem 2 Got It?

Problem 4 Got It?

Vocabulary: Determine whether each statement is always, sometimes, or never true.The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.The constant of variation for a direct variation represented by y = kx is y/x.

Reasoning: Suppose q varies directly with p. Does this imply that p varies directly with q? Explain.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.-2x - 5 for x = 3Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.¼x + 2 for x = 16Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.8 - 5n for n = 3Enter only a number.

Vocabulary Review: Classify each formula from the image below as representing slope or not representing slope.

Use Your Vocabulary: Drag the correct word from the list to complete each sentence.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.For a refresher on the Cornell note-taking system, click here.

Reflection: Math Success

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The constant of variation for a direct variation represented by y = kx is y/x.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
-2x - 5 for x = 3
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
¼x + 2 for x = 16
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
8 - 5n for n = 3
Enter only a number.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The ordered pair (0, 0) is a solution of the direct variation equation y = kx.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
You can write a direct variation in the form below.

Vocabulary: Determine whether each statement is always, sometimes, or never true.
The constant of variation for a direct variation represented by y = kx is y/x.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 5-1: Find the slope of the line that passes through the pair of points.
Enter only a number. If necessary, use fraction form.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
6a + 3 for a = 2

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
-2x - 5 for x = 3
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
¼x + 2 for x = 16
Enter only a number.

Review Lesson 1-2: Evaluate the expression for the given value of the variable.
8 - 5n for n = 3
Enter only a number.

Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.