# Identify the reflection rule on a coordinate plane that verifies that triangle A(-1,7), B(6,5), C(-2,2) and A'(-1,-7), B'(6,-5), C'(-2,-2) triangle are congruent when reflected over the x-axis?

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A) (x, y) → (-x, -y)

B) (x, y) → (x, -y)

C) (x, y) → (-x, y)

D) the triangles are not congruent

A) (x, y) → (-x, -y)

B) (x, y) → (x, -y)

C) (x, y) → (-x, y)

D) the triangles are not congruent

##### 1 Answer

Mar 5, 2018

It follows the rule

#### Explanation:

Since the triangle is reflected on x axis, only**y coordinates ** will get changed from the current sign to the opposite (i.e..