SOLUTION: show that p(-5/7,-2sqrt(6)/7) is on the unit circle

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Question 173021: show that p(-5/7,-2sqrt(6)/7) is on the unit circle
Answer by Alan3354(21605) About Me  (Show Source):
You can put this solution on YOUR website!
show that p(-5/7,-2sqrt(6)/7) is on the unit circle
r^2 = (5/7)^2 + (2sqrt(6)/7)^2
= 25/49 + 4*6/49
= 49/49
= 1
radius = 1, so it's on the circle.