Reflections Answers

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On a coordinate plane, a triangle has points F (3, 4), D (5, negative 3), and E (1, negative 2).

Question illustration
A
(5, 3)
B
(–5, –3)
C
(–3, 5)
D
(3, –5)
2
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The image of parallelogram PQRS after a reflection across is parallelogram P'Q'R'S'.

Question illustration
A
3
B
6
C
12
D
18
3

Figure ABCDEF was reflected across the line y = –x to create figure A'B'C'D'E'F'.

Question illustration
A
(–2, 4)
B
(4, 2)
C
(2, –4)
D
(–4, –2)
4

A line segment has endpoints at (–4, –6) and (–6, 4). Which reflection will produce an image with endpoints at (4, –6) and (6, 4)?

A
a reflection of the line segment across the x-axis
B
a reflection of the line segment across the y-axis
C
a reflection of the line segment across the line y = x
D
a reflection of the line segment across the line y = –x
5

The image of trapezoid PQRS after a reflection across is trapezoid P'Q'R'S'.

Question illustration
A
RR' = 2SS'
B
RR' = 4SS'
C
RR' || SS'
D
RR' SS'
Option D
6

Which statements must be true about the reflection of ΔXYZ across ? Select three options.

Question illustration
A
m∠X'Z'Y' = 90°
B
m∠MCY = 90°
C
XX' ≅ YY'
D
BZ' ≅ BZ
E
XY || X'Y'
7

The image of ΔABC after a reflection across is ΔA'B'C'.

Question illustration
A
F is the midpoint of AA' because bisects AA'.
Option A
B
F is the midpoint of EG because AA' bisects EG.
C
F is the midpoint of AA' because AA' bisects EG.
D
F is the midpoint of EG because bisects AA'.
Option D
8

On a coordinate plane, 2 triangles are shown. The first triangle has points M (negative 5, 4), N (negative 2, 3), and L (negative 4, 2). The second triangle has points L prime (negative 4, negative 2), M prime (negative 5, negative 4), and N prime (negative 2, negative 3).

Question illustration
A
rx-axis(x, y) → (–x, y)
B
ry-axis(x, y) → (–x, y)
C
rx-axis(x, y) → (x, –y)
D
ry-axis(x, y) → (x, –y)
9

On a coordinate plane, a triangle has points A prime (6, 8), B prime (10, negative 6), and C prime (6, negative 6).

Question illustration
A
(–8, –6)
B
(–6, 8)
C
(8, 6)
D
(6, –8)
10

For to be the line of reflection between and , which statements must be true? Select three options.

Question illustration
A
BD = DB'
B
DF = FG
C
m∠EFA = 90°
D
The line of reflection, EH, is the perpendicular bisector of BB', AA', and CC'.
E
ΔABC is not congruent to ΔA'B'C'.

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