1. Answer please?

2. Math is brought to you by the number …
May 7, 2013
Day 78 of 90
90-78 =

4. Warm-up
Kwame wants to find the shortest distance between two distinct points, point A and point B. He’s heard that the shortest distance between two points is a straight line segment. According to Euclid’s first postulate, can Kwame draw a straight line segment between point A and point B?
A. No B. Yes
C. It depends on the coordinates of point A and point B
D. It depends on the distance between point A and point B

5. Warm-up
According to Euclid’s fourth postulate, which type of angles are always congruent?
acute angles
right angles
obtuse angles
straight angles

6. Warm-up
Ripley’s spelling grades are 86, 84, 90, and 90. If he scores 0 on the next spelling quiz, what will happen to the MEAN of his scores?
  A) It will increase by 13.5.
B) It will decrease by   C) It will increase by 17.5.
D) It will decrease by 17.5.

7. Coordinate Algebra EOCT Review
Unit 5 – Transformations in the Plane

8. Key Ideas Precise definitions: Angle Circle Perpendicular lines
Parallel lines
Line Segment

9. Unit 5 - Transformations
Represent transformations in the plane
Compare rigid and non-rigid
Translations
Rotations
Reflections
Understand Dilations

10. Key Ideas Given shapes –
Determine which sequence of rotations and reflections would map it on itself
Develop definitions of rotations, reflections and translations

11. Translations
Translate C(-4, 7) by (x – 7, y – 9).
C’(-11, -2)

12. Examples

13. Reflections
Reflect across the y-axis

14. Examples
Describe every transformation that maps the given figure to itself.

15. CW/HW
Practice Problems