Reflections 100% Quiz

The image of parallelogram PQRS after a reflection across is parallelogram P'Q'R'S'. RR' = 12. What is the length of RZ? 3 6 12 18

B. 6

What are the coordinates of the image of vertex D after a reflection across the x-axis? (5, 3) (-5, -3) (-3, 5) (3, -5)

A. (5,3)

The image of ΔABC after a reflection across is ΔA'B'C'. Which statement is true about point F? F is the midpoint of AA' because EG bisects AA'. F is the midpoint of EG because AA' bisects EG. F is the midpoint of AA' because AA' bisects EG. F is the midpoint of EG because EG bisects AA'.

A. F is the midpoint of AA' because EG bisects AA'.

Which statements must be true about the image of ΔMNP after a reflection across ? Select three options. The image will be congruent to ΔMNP. The orientation of the image will be the same as the orientation of ΔMNP. EG will be perpendicular to the line segments connecting the corresponding vertices. The line segments connecting the corresponding vertices will all be congruent to each other. The line segments connecting corresponding vertices will all be parallel to each other.

A. The image will be congruent to ΔMNP. C. EG will be perpendicular to the line segments connecting the corresponding vertices. E. The line segments connecting corresponding vertices will all be parallel to each other.

A point has the coordinates (0, k). Which reflection of the point will produce an image at the same coordinates, (0, k)? a reflection of the point across the x-axis a reflection of the point across the y-axis a reflection of the point across the line y = x a reflection of the point across the line y = -x

B. A reflection of the point across the y-axis

What are the coordinates of the image of vertex G after a reflection across the line y = x? (-4, -5) (4, 5) (-5, 4) (5, -4)

C. (-5,4)

Figure ABCDEF was reflected across the line y = -x to create figure A'B'C'D'E'F'. What are the coordinates of the pre-image of F'? (-2, 4) (4, 2) (2, -4) (-4, -2)

C. (2,-4)

The image of ΔABC after a reflection across is ΔA'B'C'. Which triangle must be a right triangle and why? ΔA'B'C' is right because it is the image of ΔABC. ΔADC is right because AA' intersects AC at A. ΔBCC' is right because B lies of the line of reflection. ΔBGC is right because CC'.

D

Which point would map onto itself after a reflection across the line y = -x? (-4, -4) (-4, 0) (0, -4) (4, -4)

D. (4,-4)

The image of trapezoid PQRS after a reflection across WY is trapezoid P'Q'R'S'. What is the relationship between RR' and SS'? RR' = 2SS' RR' = 4SS' RR' || SS' RR' SS'

RR' || SS'