SOLUTION: The point P(2, -1) lies on a cartesian plane. The point Q(a, b) is a reflection of P about the x-axis. What is the value of a?
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Question 893116: The point P(2, -1) lies on a cartesian plane. The point Q(a, b) is a reflection of P about the x-axis. What is the value of a? Answer by Alan3354(69443) (Show Source):
