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Objective Video Example by Mrs. G Give It a Try Lesson 5.5 Complete the square to make an expression a perfect square trinomial Solve quadratic equations by completing the square

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Video Objective Video Example by Mrs. G Give It a Try www.youtube.com algebrafun

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Algebra Tiles can represent algebraic expressions. x2x2 x2x2 -x 2 x x -x 1 1 x x 1 1 x x 1 1 Colored sides represent positiveRed sides represent negative

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Use Algebra Tiles to represent x2x2 x2x2 x x x x x x x x x x x x

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Arrange the tiles to form part of a square. x2x2 x2x2 x x x x x x x x x x x x x x x x x x xx xx xx

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Add unit (1) squares to complete the square x2x2 x2x2 x x x x x x xx xx xx 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Add the number of unit squares to the original expression. x2x2 x2x2 x x x x x x xx xx xx 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Look at the dimensions of each side of the square. x2x2 x2x2 x x x x x x xx xx xx 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 x 1 1 1 x111 Therefore, we can conclude

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Give It a Try Objective Video Example by Mrs. G Give It a Try Complete the table. Use the idea of algebra tiles to help you if necessary. Bring your work and answer to our next class! Expression Number of tiles to complete the square Number of tiles as a perfect square x 2 + 6x 93232 x 2 + 8x x 2 + 4x x 2 + 2x

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Warm Up Write each expression as a trinomial. Factor each expression.

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