4.7 - slides.notebook · 4.7 slides.notebook 5 november 05, 2012 objectives: 1. use completing the...
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4.7 Slides.notebook
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November 05, 2012
Homework Answers:Packet will be collected Friday list will be posted on Wednesday.
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Introduction:
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Opening Questions:
1. Give the dimensions of the following area:
2. Solve the following equation:
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Objectives:
1. Use completing the square to solve equations.
2. Convert equations to vertex form.
Key: What is the relationship between the dimensions and the number of 1tiles needed to fill in the area model?
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Completing the Square Activity
1. Read the directions.
2. Take 10 minutes to use the algebra tiles to help fill in the chart.
3. Answer the questions.
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Observations:
1. How is d related to b?
2. How is c related to d?
3. How can we complete the square?
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How is this useful?
1. Which is easier to solve? Why?
2. How can we change the first to look like the second?
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The Process:
What's the area of the missing piece?
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What value of c makes the following expression a perfect square?
Now let's solve an equation:
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Summary:Completing the square let's us solve using "squares" like section 5.
We complete the square by:
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Solve:
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Homework:
Visit http://www.wisconline.com/objects/ViewObject.aspx?ID=TMH1902
Write down the five steps given at the end of the presentation this will be part of your homework packet (3 points)