What is the original image called?
pre-image
Does a scale factor of 5 result in enlargement or reduction?
Enlargement
What does congruent mean?
Same size and same shape
Give an example of a scale factor that results in a reduction.
Any positive fraction less than 1 (such as 1/2, 1/3, etc)
What is the line of reflection?
It is the line/axis that a figure is being reflected over.
If point (5, 3) is dilated by a scale factor of 2, what are the coordinates of the image?
(10, 6)
If you have point G at (-3,2) and you rotate it 90 degrees clockwise, which quadrant would G' be located in?
Quadrant I
What does similar mean (in shapes)?
Same shape, different size
Triangle QRS with points Q (1,1) and R (4, 1) and S (1, 5) is dilated by a scale factor of 3. What are the coordinates of R'?
(12, 3)
If you have point Q at (1,-4) and it is translated left 3 units & up 5 units then rotated 180 degrees, which quadrant would Q' be located in?
Quadrant IV
What are the 3 types of transformations that result in congruent shapes and are rigid motions?
Translation, Reflection, Rotation
Triangle QRS with points Q (6,4) and R (10,4) and S (6,8) is dilated by a scale factor of 1/2. What are the coordinates of Q', R' and S'?
Q' (3, 2)
R' (5, 2)
S' (3, 4)