Vocabulary
Geometric figures that have the same shape, same side lengths, and same angle measurements are...
What is congruent figures?
The rule when you are reflecting over the line y=-x
What is (-b, -a)?
This rule of rotation for 180 degrees about the origin?
What is (-a, -b)?
Enlargement or Reduction: Dilation by a scale factor of 4/3.
What is enlargement?
A transformation that uses a line like a mirror...
What is a reflection?
Find the coordinates of A' if segment AB with A(2, 4) and B(-1, 1) is translated by <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 of rotation of 270 degrees about the origin?
What is (b, -a)?
Determine the scale factor: B(2, 5) and B'(1, 2.5).
What is scale factor = 1/2?
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 <-5, 1>.
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
The coordinates of M', N', and O' when triangle MNO with M(-2, -4), N(-3, 1), and O(0, 2) is reflected over the line x=2.
What is M'(6, -4), N'(7, 1), and O'(4, 2)?
The rule for a rotation of 90 degrees about the origin?
What is (-b, a)?
Find the coordinates of A' and B' after the following dilation with scale factor -3: A(0, 2) and B(1/3, -4).
What is A'(0, -6) and B'(-1, 12)?
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)?
The line of reflection when A(-2, 0), B(1, 3), and C(3, -4) is reflected to A'(-2, -2), B'(1, -5), and C'(3, 2).
What is y=-1?
Given A(4,1) and B(3, 7), what will A' and B' be after a rotation of 90 degrees?
What is A'(-1, 4) and B'(-7, 3)?
Find the coordinates of Y' when X(12, 4), Y(8,2) and Z(-4,0) are dilated by a scale factor of 1/4.
What is Y'(2, 1/2)?
What do we call figures that have the same shape and angles measurements, but not necessarily the same side lengths?
What is a similar figure?
The coordinate mapping 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 (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 180 degrees.
What is A'(3, 2) and B'(1, -2)?
Find the scale factor given the points of B(4, -2) and B'(-8, 4).
What is a scale factor of -2?