Materials Reminders. Get out your agenda if you see your name below. I would like to have you in my FLEX Wednesday. Period 2Period 7.

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Graph dilations on a coordinate plane.

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Materials Reminders

Get out your agenda if you see your name below. I would like to have you in my FLEX Wednesday. Period 2Period 7

Determine whether the following polygons are similar

4-7 Dilations How do I graph dilations on a coordinate plane?

Important Vocabulary Dilation– the image produced by enlarging or reducing a figure Center – a fixed point used for measurement when altering the size of an image

Questions:Notes: How do I find the coordinates for a new, dilated figure? Original Coordinates RelationshipNew Image Coordinates D(2,0)(2 x a, 0 x a) C(2,2)(2 x a, 2 x a) B(0,1)(0 x a, 1 x a) A(0,0)(0 x a, 0 x 2) Complete the following table by substituting the scale factor for the variable, a. hint: just multiply all of the coordinates by the scale factor

Drawing Dilations 1.Use the provided graph paper to draw dilations of the provided figures.

Graphing Dilations 1.Use the provided graph paper to draw dilations of the provided figures.

Questions:Notes: How do I find and classify a scale factor? Vertex of Original FigureCorresponding Vertex of Dilated (NEW) Figure (2,3)(6,9)

Homework Page ; 7-16 and 20 AND Cornell Notes Summary