1. Write the rule for finding the reflection of a point across the x-axis.
2. Use this rule to find the coordinates for the reflection of point (−4, 3) across the x-axis.

Question

1.    Write the rule for finding the reflection of a point across the x-axis.
2.    Use this rule to find the coordinates for the reflection of point (−4, 3) across the x-axis.

godlovesme · Answer

here's the rule
(x,y) -> (x,-y)
so it just negates the y-coordinate

anonymous · Answer

thank you

godlovesme · Answer

yw c: did u get the second part?

anonymous · Answer

no but I think I can figure it out can you help me with some other problems

godlovesme · Answer

since the rule negates the y, all u have to do is just change the sign of the y value