Triangle xyz is shown on the coordinate plane below: triangle xyz on the coordinate plane with ordered pairs at x 3, negative 1, at y 4, negative 4, at z 1, negative 2 if triangle xyz is reflected across the line y = 1 to create triangle x'y'z', what is the ordered pair of x'?

First, graph the triangle XYZ. Its points are:
(3, -1)
(4, -4)
(1, -2)
The triangle created is the first file attached.
When reflected off of the line y = 1, it is one higher y than reflecting off the y axis. So, the coordinates are (1,-4) (3, 3) (4, 6)

The ordered pair of is  

Explanation

According to the below diagram, the co ordinates of are:   and

The triangle is reflected across the line    to create triangle

Distance of the point from the line    is  2 units.

So, the point    will be also 2 units above the line  . As the triangle is reflected across a horizontal line, so the co-ordinate of the point will remain same.

co-ordinate of the point will be:  

So, the ordered pair of is  

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