Reflections
Reflect: (-3, 2) over the x-axis.
What is (-3, -2)?
Translate: (1, 3)-->left 2
What is (-1, 3)?
When rotating a figure, point, or line, we reflect about the ...
Origin (0,0)
The three types of rigid transformations.
What are Reflections, Translations, and Rotations?
What is the definition of congruent figures?
The same shape and same size?
Reflect: (2, 4) over the y-axis.
What is (-2, 4)?
Translate: (-4, 4)--down 6
What is (-4, -2)?
Rotate (4,8) 90 degrees clockwise with the origin as the center of rotation.
What is (8,-4)?
How many "turns" is a 270 degree rotation?
3 turns
Reflect: M(4, 5), P(1, 2), S(5, 1) over the x-axis.
What is M'(4, -5), P'(1, -2), S'(5, -1)?
Translate: (0, -2)--right 7
What is (7, -2)?
Rotate (4,8) 180 degrees with the origin as the center of rotation.
What is (-4,-8)?
What would the new coordinates be if the point (5, -6) was reflected in the x axis?
(5, 6)
Reflect: M(4, 5), P(1, 2), S(5, 1) over the y-axis.
What is M'(-4, 5), P'(-1, 2), S'(-5, 1)?
Name the Translation: (4, -1)--->(3, -6)
What is 1 left, 5 down?
Rotate (4,8) 90 degrees counterclockwise with the origin as the center of rotation.
What is (-8,4)?
The common description of rotations.
What is spin or turn?
What are Rigid Transformations?
Transformations that result in congruent figures.