Warm-Up How many lines of symmetry do the figures have? Draw them!

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Presentation transcript:

Warm-Up How many lines of symmetry do the figures have? Draw them! State the order and magnitude of symmetry for each figure. Then/Now

Draw and identify dilations in the coordinate plane. I will be able to…. Draw and identify dilations in the coordinate plane. Then/Now

What transformations have we learned so far? Reflections (Section 9-1) Rotations (Section 9-3) Translations (Section 9-2) Dilations (Section 9-6) …….what is a dilation?

What’s a dilation? A dilation is a similarity transformation that enlarges or reduces a figure proportionally with respect to a center point and a scale factor.

Example: Trapezoid EFGH has vertices E(–4, 2), F(–2, 4), G(4, 2) and H(–2, –4). Graph the image of EFGH after a reduction centered at the origin with a scale factor of

Graph the image of each polygon with the given vertices after a dilation centered at the origin with the given scale factor. A(-2, -2), B(-1, 2), C(2,1); scale factor of 2 2. V(0,0), W(3,3), X(6,3), Y(6, -3), Z(3, -3); scale factor of 1/3

Transformations Review Project Please read the directions carefully Transformations Review Project Please read the directions carefully. This project will be due on TUESDAY!