Algebra 2 4-6 Guided Practice: Completing the Square
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by Matthew Richardson
| 9 Questions
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Solve It! How can you use pieces like these to form a square with side length x + 3 (and no overlapping pieces)? Show a sketch of your solution on the canvas. Use bright contrasting colors.
You may also create a copy of this Google Drawing and use it for your model. If you do, upload a screenshot to the canvas.
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Problem 1 Got It?
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Problem 2 Got It? The lengths of the sides of a rectangular window have the ratio 1.6 to 1. The area of the window is 2822.4 in.². What are the window dimensions?
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Problem 4 Got It? What value completes the square for the expression?

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Problem 4 Got It: Reasoning: Is it possible for more than one value to complete the square for an expression? Explain.
Yes; There will sometimes be mutiple positive values that complete the square for an expression.
Yes; There will sometimes be both a positive and a negative value that completes the square for an expression.
No; The in the expression for finding the value that completes the square, (b/2)², each input b provides exactly one output.
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