Vocabulary
A transformation in which a geometric figure slides to another location without any change in size or orientation.
What is translation?
The vector notation for a figure that is translated 3 units left.
What is <-3, 0>?
The equation for the line of reflection if a figure is reflected over the y-axis.
What is x=0?
The angle an object is moved through after a rotation about the origin using the rule (x,y) becomes (-x, -y).
What is 180 degrees?
Transformation means _____________ .
What is change?
Operations that alter the form of a figure. Examples: translations, reflections, dilations, and rotations.
What is transformations?
Find the coordinates of A' if A(2, 4) is translated using the rule (x,y) becomes (x -3, y+1).
What is A'(-1, 5)?
The coordinates of X' when X(-3, 1) is reflected over the x-axis.
What is X'(-3, -1)?
The rotation that creates the same image as a rotation 270 degrees clockwise.
What is a rotation 90 degrees counterclockwise?
Determine the scale factor if B(2, 5) is mapped onto B'(6, 15).
What is scale factor = 3?
The rule that says the object was enlarged about the origin by scale factor 2.
What is (x,y) goes to (2x,2y)?
Find the coordinates of Y' if Y(2, -1) is reflected in the y-axis.
What is Y'(-2, -1)?
The coordinates of M', when M(-2, -4) is reflected over the line x=2.
What is M'(6, -4)?
The coordinate mapping for a rotation clockwise of 90 degrees.
What is (x, y)-->(y, -x)?
Find the coordinates of A' when A(3,1) is rotated 90 degrees clockwise.
What is A'(-1,3)?
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 5 units right and 2 units up.
What is M'(1, 1) and N'(2, -1)?
Describe fully the transformation that maps A(-2, 0), onto A'(-2, -2).
What is Reflection in y=-1?
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
A square of side 3cm is enlarged about the origin by scale factor 2. The length of the image is ________ .
What is 6 cm?
Describe fully the transformation that maps line segment PQ with P(-1. 3) and Q(1,2) onto P'(3,1) and Q'(5,0).
What is Translation, 4 units left and 3 units?
The coordinate mapping 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 (x, y)-->(x, y-4)?
The line of reflection when X(-4, 0), Y(-2, -2), and Z(0, -8) is reflected to X'(-2, 0), Y'(-4, -2), and Z'(-6, -8).
What is x=-3?
Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 180 degrees.
What is A'(3, 2) and B'(1, -2)?
Find the coordinates of B' when B(5, 5) is rotated counterclockwise 270 degrees about the origin.
What is B"(0, -11)?