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4

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'.
5

A point has the coordinates (0, k).Which reflection of the point will produce an image at the same coordinates, (0, k)?

a
a reflection of the point across the x-axis
a
a reflection of the point across the y-axis
a
a reflection of the point across the line y = x
a
a reflection of the point across the line y = –x
6

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

Question illustration
A
ΔA'B'C' is right because it is the image of ΔABC.
B
ΔADC is right because AA' intersects AC at A.
C
ΔBCC' is right because B lies of the line of reflection.
D
ΔBGC is right because CC'.
Option D
8

Which statements must be true about the image of ΔMNP after a reflection across ? Select three options.

Question illustration
A
The image will be congruent to ΔMNP.
B
The orientation of the image will be the same as the orientation of ΔMNP.
C
will be perpendicular to the line segments connecting the corresponding vertices.
Option C
D
The line segments connecting the corresponding vertices will all be congruent to each other.
E
The line segments connecting corresponding vertices will all be parallel to each other.

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