Answer:
X'(1, 5 )
Step-by-step explanation:
y = 1 is a horizontal line parallel to the x- axis and passing through points with a y- coordinate of 1
X(1, - 3 ) is 4 units below this line ( 1 - (- 3) = 4 ), thus its reflection will be 4 units above the line.
The x- coordinate remains unchanged.
y - coordinate of X' = 1 + 4 = 5
X' = (1, 5 )
