Vocabulary
Translation
Reflection
Transversal
Dilation
100
Define Congruent Angles
two angles who have the same measure
100
What are the new coordinate pairs if the trapezoid is moved 3 units right and 2 units down?
J' (-3,3) K' (0,3) M' (-5, 0) L' (2,0)
100
Over what axis is the following figure reflected on?
The y- axis
100
Name one pair of corresponding angles.
answers will vary
100
What is the new image of G(2, 5) if the scale factor is 6?
G'(12, 30)
200
What are complementary angles?
Angels that add up to 90 degrees
200
Z (5,2) Y (7,2) X (4,3)
3 units left and 4 units down
What are the new coordinate pairs?
Z (2, -2) Y (4, -2) X (1, -1)
200
What is the image of P(-3, 2) after a reflection in the x-axis?
P'(-3, -2)
200
Name a pair of vertical angles.
Answers will vary
200
A dilation can produce an enlargement and a ____
Reduction
300
What are supplementary angles?
Angles that add up to 180 degrees
300
What is the rule for the following picture:
(x, y) --> (x - 2, y + 4)
300
Find the value of A.
120 degrees
300
Find the value of y.
27
300
What is the dilation used?
3
400
What is the Line of Reflection?
the line where the figure is flipped across to create a reflection or mirror image of the pre-image, this is used in reflections
400
What is the rule for the following picture:
6 units left and 3 units up
(x, y) --> (x - 6, y + 3)
400
Which axis is B and C reflected on?
Y-axis then X-axis
400
<5 = 34
<6 = 146
<7 = 34
400
What is the scale factor?
2
500
What are vertical angles?
each pair of opposite angles that form from two intersecting lines
500
Find the old coordinate pairs of:
A' (1,5) B' (3,2) C' (7,5) D' (9,2)
Before they were translated 8 units left and 5 units up
A (9,0) B (11, -3) C (15,0) D (17, -3)
500
What is the value of x?
100 degrees
500
64 degrees
500
What is the scale factor of the following dilation?
A(8, 2) --> A'(4, 1)
B(10, 6) --> B'(5, 3)
k = 1/2