ΔABC is reflected across the x-axis and then translated 4 units up to create ΔA′B′C′. What are the coordinates of the vertices o

Question

3 years ago

10

ΔABC is reflected across the x-axis and then translated 4 units up to create ΔA′B′C′. What are the coordinates of the vertices o

f ΔA′B′C′?
A′(-3, 3), B′(-1, 1), C′(-2, 3)
A′(3, -3), B′(1, -1), C′(2, -3)
A′(3, -5), B′(1, -7), C′(3, -5)
A′(-3, 3), B′(-1, 1), C′(-2, -3)

Mathematics

2 answers:

zheka24 [161] · Answer 1 · 2022-08-08T13:54:15+03:00

zheka24 [161]3 years ago

8 0

dmitriy555 [2] · Answer 2 · 2022-08-08T14:54:56+03:00

dmitriy555 [2]3 years ago

6 0

A is the correct ans!

easiest way to solve is to follow line AC:

it was at y=1

so reflect across x-axis,

it became y=-1

translate up by 4,

then it ends up at y=-1+4=3

so the final y-coordinate of A and C should be +3

A is the only possible ans