Answer: y axis
Step-by-step explanation:
the y axis is the axis that become negative.
The point D'(9,8) will be above the positive x-axis.
A pair of numbers that employ the horizontal and vertical distinctions from the two reference axes to represent a point's placement on a coordinate plane is typically expressed by the x-value and y-value pairs (x,y).
Coordinates are always written in the form of small brackets the first term will be x and the second term will be y.
For example (5,3) here 5 will be for the x and 3 will be for the y.
Another example is (9,0) here 9 is for x and 0 is for y.
Given a point D(9,-8) this point will be below the x-axis
If we reflected D' (9,8) then it will go above the x-axis as shown in the below graph.
Hence, The point D'(9,8) will be above the positive x-axis.
For more about coordinates
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