3 years ago

Consider that point A is reflected across the y-axis. What is the distance between point A and the point of its reflection?

Mathematics

1 answer:

Arisa [49]3 years ago

7 0

Answer:

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ), thus

A(3, 4 ) → A'(- 3, 4 )

Since the point A and it's reflection lie on a horizontal line then

distance between = | 3 + 3 | = | 6 | = 6

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