Solve.y - 9x = 09x2 + y2 = 90
A. (-1, -9), (1, 9), (-1, 9), (1, -9)
B. (-1, -9)
C. (1, 9)
D. (-1, -9), (1, 9)
Answer: D
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A. y = - 
x
B. y = - 
x
C. y = 
x
D. y = 
x
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Fill in the blank(s) with the appropriate word(s).
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