# TRANSFORMATION DILATIONS

## Quiz by okeke abraham

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10 questions
• Q1
Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image? A(3,3) B(6,6) C(9,3)
A'(0,0) B'(3,3) C'(6,0)
A'(1,1) B'(2,2) C'(3,1)
A'(9,9) B'(18,18) C'(27,9)
A'(1,1) B'(2,2) C'(3,1)
30s
• Q2
Choose the correct scale factor:
3
2
4
5
30s
• Q3
The point (8, 12) was dilated to become point (2, 3). What was the scale factor?
½
¼
2
4
30s
• Q4
Dilate Point B by a scale factor of 1/2
(-2,-2)
(1.5,-4)
(-1.5,1)
(-1,-1.5)
30s
• Q5
How do you write the algebraic notation when the scale factor is 3?
(x, y) goes to (x + 3, y + 3)
(x, y) goes to (1/3x, 1/3y)
(x, y) goes to (-3x, -3y)
(x, y) goes to (3x, 3y)
30s
• Q6
Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?
Yes, reduce
No
Yes, enlarge
30s
• Q7
What scale factor was used to produce the image?
5
6
7
4
30s
• Q8
State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.
(-5,-3)
(5,3)
(20,12)
(-20,-12)
30s
• Q9
The red triangle has been dilated by a scale factor of 1/4 about the origin, which triangle is it's new image?
none of these
black triangle
green triangle
red triangle
30s
• Q10
Find missing side
7
14
3
28
30s

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