Warm Up January 27 Student 1 Quiz Scores:70, 85, 89, 78, 84, 75, 95

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Warm Up January 27 Student 1 Quiz Scores:70, 85, 89, 78, 84, 75, 95 Find the measures of Center(Mean and Median) Find the measures of Spread(Range, IQR)

EOCT REVIEW

THIS WEEK 1/27 – Transformations/Reflections 1/28 – Translations 1/29 – Rotations 1/30 – Review 1/31 – Quiz

A change in the position, size, and shape of a figure Transformations A change in the position, size, and shape of a figure

Key Terms Preimage – the original figure (A) Image – the resulting figure after the transformation (A’) Reflection – reflects or “flips” across a line (r) Translation - Shifts or Slides every point the same distance (T) Rotation - rotates or turns about a point (R)

What kind of Transformation?

What kind of Transformation?

What kind of Transformation?

Reflections An isometry transformation. Isometry - a transformation that does not change the size and shape of the figure Line of reflection is the perpendicular bisector of each segment joining each point and its image

Reflections in the Coordinate Plane

Reflect the figure with the given vertices across the given line. 1. A(2, 3), B(–1, 5), C(4,–1); y = x A’(3, 2), B’(5,–1), C’(–1, 4) 2. U(–8, 2), V(–3, –1), W(3, 3); y-axis U’(8, 2), V’(3, –1), W’(–3, 3) 3. E(–3, –2), F(6, –4), G(–2, 1); x-axis E’(–3, 2), F’(6, 4), G’(–2, –1)