Vocabulary
A transformation in which a geometric figure slides to another location
What is translation?
Describe the directional movement of T(8, -2)
What is 8 units to the right & 2 units down?
What happens in a reflection across the y-axis?
What is (x,y) becomes (-x, y)
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise. Also (x,y) turns into (-x,-y)
What is a rotation of 180 degrees?
Operations that alter the form of a figure. Examples: translations, reflections, and rotations.
What is transformations?
Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by T(2, -5)
What is A'(4, -1)?
The coordinates of X' when XY with X(-3, 1) and Y(-1, 4) is reflected over the x-axis.
What is X'(-3, -1)?
The rule for a rotation of 90 degrees counterclockwise.
What is (x,y) becomes (-y, x)?
What is a reduction?
Same size, same shape
What is congruent?
Find the coordinates of X', Y', and Z' when triangle XYZ with X(0,3), Y(3, -2), and Z(4,0) is translated by T(-5, 1)
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
What is the line of reflection given that (x,y) becomes (x,-y)?
What is the x-axis?
A (9, -4). What is A' after a rotation clockwise of 90 degrees?
What is A'(-4, -9)?
E(6, -2), F(-8, 0), G (4, 1) undergoes a dilation with a scale factor of 3. What are E', F', and G'?
What are E'(18, -6), F'(24, 0), & G'(12, 3)?
A transformation in which a plane figure turns around a fixed center point.
What is rotation?
Find the coordinates of M' and N' when MN with M(-4, -1) and N(-3, -3) is translated (x+5, y-2).
What is M'(1, -3) and N'(2, -5)?
Find the image points over x-axis when A(-2, 0), B(1, 3), and C(3, -4)
What is A' (-2,0), B' (1,-3), & C' (3,4)?
If triangle ABC is in Quadrant II, where will triangle A'B'C' fall after a 180 degree rotation?
What is in Quadrant IV?
What are the two operations you can perform under a D1/4?
What is multiply by 1/4 or divide by 4?
A term for a set of transformations that do not alter the size of the object (where size is preserved).
What are rigid transformations?
What is the rule when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).
What is T(o, -4)?
The line of reflection OVER BOTH X and Y AXIS X(-4, 0), Y(-2, -2), and Z(0, -8)
What is X' (4,0), Y' (2,2), & Z' (0,8)?
Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 90 degrees counterclockwise.
What is A'(2, -3) and B'(-2, -1)?
A' (6,4), B' (-2, 8), C' (6, -4). Given A (12, 8), B (-4, 16), & C (12, -8), what is the scale factor?
What is 1/2?