Be sure to take notes in the "show your work" area. You make print, hand write and then upload your work in the "show your work" area. You will want these notes to help you on the quizzes and Tests.
Be sure to take notes in the "show your work" area. You make print, hand write and then upload your work in the "show your work" area. You will want these notes to help you on the quizzes and Tests.
Question 1
09:23
keyboard_arrow_down
Required
1
Question 2
03:47
keyboard_arrow_down
Required
1
Question 3
07:17
keyboard_arrow_down
Required
1
Question 4
07:39
Question 5
09:41
Question 6
09:58
keyboard_arrow_down
Required
1
Question 6
6.
True/False: the center of rotation P(1, 2) is the origin.
Question 7
06:31
keyboard_arrow_down
Required
1
Question 8
05:50
keyboard_arrow_down
Required
1
Question 9
05:13
keyboard_arrow_down
Required
1
Question 9
9.
True or False: 12/3 is a reduction.
Question 10
03:19
keyboard_arrow_down
Required
1
Question 11
07:17
keyboard_arrow_down
Required
1
Question 12
03:52
keyboard_arrow_down
Required
1
Question 13
03:54
keyboard_arrow_down
Required
1
Question 14
07:45
keyboard_arrow_down
Required
1
Question 15
07:38
keyboard_arrow_down
Required
1
Question 15
15.
Draggable item
arrow_right_alt
Corresponding Item
arrow_right_alt
arrow_right_alt
arrow_right_alt
arrow_right_alt
Questions 16 & 17
05:03
keyboard_arrow_down
Required
1
Required
1
Questions 18-20
09:30
keyboard_arrow_down
Required
1
Required
1
Required
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 7
7.
Question 8
8.
Question 10
10.
Question 11
11.
Question 12
12.
10. H’(1.5, -4) is the image of H after a dilation centered at the origin with a scale factor of ½ . What are the coordinates of H?
Question 13
13.
9. Z’(3, 8) is the image of Z after a dilation centered at the origin with a scale factor of 3/2. What are the coordinates of Z?
Question 14
14.
12. Identify the scale factor given the graph of each image and its preimage.
Use your notes to match the following.
(0, 0)
center of dilation
P(7, 5)
scale factor
<3, -4>
origin
3
PZ
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
2. Rectangle TUVW with vertices T(-3, -1), U(0, -2), V(-2, -8), and W(-5, -7): 90° counterclockwise.
(1, 7)
(7, -5)
(2, 0)
(5, -3)
(8, -2)
(1, -3)
4. Rhombus CDEF with vertices C(-5, 5), D(-1, 7), E(-3, 3), and F(-7, 1): 270° counterclockwise.
(7, 1)
(3, 3)
(5, 5)
(-1, 7)
(-5, 5)
(1, 7)
(-3, 5)
6. Triangle XYZ with vertices X(3, -2), Y(6, 1), and Z(5, -7): 180°.
(-3, 2)
(-4, 5)
(-6, -1)
(5, 5)
(5, -4)
(-5, 7)
(-2, -6)
2. Triangle ABC with vertices A(-10, -1), B(-4, 0), and C(-9, -6); 180° about K(-5, 2).
(-6, 4)
(-4, 6)
(8, -4)
(-1, 10)
(1, -1)
(0, 5)
4. Trapezoid QRST with vertices Q(3, 1), R(5, 2), S(10, 0), and T(4, -3); 90° clockwise about M(3, -4).
(8, -4)
(-4, -2)
(4, -4)
(4, -5)
(7, -11)
(1, -1)
(9, -6)
2. Rectangle ABCD with vertices A(-3, 0), B(1, 2), C(2, 0), and D(-2, -2): k = 3.
(-1, -2)
(-9, 0)
(6, 0)
(-3, 0)
(-6, -6)
(3, 6)
(-5, 3)
4. Triangle WXY with vertices W(-4, 8), X(10, 0), and Y(-2, -8): k = ¼.
(-3, 4)
(-1, 2)
(-1/2, -2)
(2, -5)
(2.5, 0)
(3, -5)
(1.5, 4)
(2, 4)
(.75, -2)
(3, -8)
(2, 4)
(3, -18)
(.75, -2)
(1.5, 4)
4
B
3
2. Triangle WXY with vertices W(7, -4), X(13, -10), and Y(1, -13); scale factor: k = 1/3, center of dilation: (4, -1).
(-8, -13)
(3, 5)
(7, -4)
(0, 3)
(3, -5)
(5, -2)
(4, -9)
(-12, -1)
3. Square BCDE with vertices B(-3, -4), C(0, -3), D(1, -6), and E(-2, -7); scale factor: k = 4, center of dilation: (0, -5).
(5, -2)
(3, 5)
(7, -4)
(4, -9)
(-12, -1)
(3, -5)
(-8, -13)
(0, 3)
6. Identify the center of dilation and scale factor of each dilation.
(-3, 7)
4
(-2, -9)
5
(7, -3)
(-1, -2)
(-9, -2)
(-2, -1)
3
7. Identify the center of dilation and scale factor of each dilation.
(-2, -1)
(-1, -2)
(7, -3)
(-3, 7)
(-9, -2)
3
5
(-2, -9)
4
8. Identify the center of dilation and scale factor of each dilation.