Transformation BINGO Questions ANSWERS
1. After a dilation, A' (6,2) is the image of A(3,1). What are the coordinates of the image of (-3,2)
under the same dilation?
(a) (0,3)
(b) (-6,4)
(c) (-6,1)
(d) (0,4)
2. Point P’ is the image of point P(–5,6) after a translation defined by T(11,–1). Which other
transformation on P would also produce P’ ?
(a) r y=–x
(b) r y-axis
(c) R 90°
(d) R –90°
3. The graph of which equation is the reflection of the graph y = − x 2 + 5 in the x-axis?
(Hint: use your graphing calculator.)
(a) y = x 2 − 5
(b) y = − x 2 − 5 (c) y = x 2 + 5
1
(d) y = − x 2 + 5
4. A translation maps A(-2,1) onto A’(2,3). What are the coordinates of B’, the image of B(-6,-2)
under the same translation?
(a) (6,-4)
(b) (-4,4)
(c) (-4,0)
(d) (-2,-0)
5. Which transformation is not an isometry?
(a) translation
(b) dilation
(c) reflection
(d) rotation
6. What are the coordinates of the image of A(2,3) under the following composition:
rx −axis D R90° ?
(a) (-3,2)
(b) (3,2)
(c) (-3,-2)
(d) (-2,3)
7. The vertices of a ∆ABC are A(2,8), B(7,0), and C(-3,2). If a translation maps Δ ABC to
and A to A'(0,6), what are the coordinates of C ', the image of C ?
(a) (-5,0)
(b) (-1,0)
(c) (-5, 4)
(d) (3,-1)
Δ A'B'C'
8. Let P be the point (-2,3). Let Q be the image of P when reflected in the x-axis and let R be the
image when Q is reflected in the line y = x. What are the coordinates of R?
(a) (2.-3)
(b) (3,2)
(c) (-3,2)
(d) (-3,-2)
9. Which dilation could map this pre-image onto the image?
(a) D
−
1
2
(c) D−2
(b) D1
2
(d) D2
pre-image
image
10. Given the point M (2,5) is reflected in the line y = x. What are the coordinates of the image M ' ?
(a) (5,2)
(b) (5,-2)
(c) (-5,2)
(d) (-5,-2)
11. Under a dilation of D2 , the image will
(a) get smaller (b) get larger
(c) stay the same
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(d) rotate 90º
12. In which quadrant does the image of P(-2,5) lie under a translation of T−2,−3 ?
(a) I
(b) II
(c) III
13. If a dilation maps (-6,-8) onto (-3, x), what is the value of x?
(a) 4
(b) -4
(c) 5
(d) IV
(d) -5
14. The diagram of the robots at the right illustrates a
(a) translation
(b) rotation
(c) line reflection
(d) glide reflection
15. The preimage and image of a transformation are _____ congruent.
(a) always
(b) sometimes
(c) never
16. If S(6.-2) is reflected in the line x = 3, the coordinates of S’ are
(a) (0,-2)
(b) (6,4)
(c) (1,-2)
(d) (6,3)
17. If under a translation, (8,5) maps onto (0,0), then (0,2) maps onto
(a) (4, -2)
(b) (-8, 3)
(c) (-8,-3)
(d) (8,7)
18. In a glide reflection, the order in which the transformations are performed _____ matters.
(a) always
(b) sometimes
(c) never
19. Which of the following letters has a vertical line of symmetry?
(a) H
(b) N
(c) B
(d) C
20. The transformation shown at the right is an isometry.
What are the values of x and y?
(a) x = 24, y = 6
(b) x = 9 , y = 4
(c) x = 6, y = 24
(d) x = 6, y = 12
Diagram for questions 20-22:
21. If the transformation at the right is a reflection, which
segment is congruent to segment AB ?
(a) AC
(b) B ' C '
(c) A ' C '
(d) A ' B '
22. If the transformation at the right is a reflection and m)A = 89º ,
how many degrees are in angle C’ ?
(a) 43º
(b) 48º
(c) 53º
(d) 89º
23. Under the translation ( x, y ) → ( x − 1, y + 3) , the point (2,-1) will be mapped to
(a) (1, -4)
(b) (1,2)
(c) (5,-2)
(d) (3,-4)
24. If W(-5,-4) is reflected in the line y = -1, the coordinates of W ’ are
(a) (-5, 3)
(b) (-5, 2)
(c) (4,-2)
(d) (3, -2)
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