Solve the rational equation. Check for extraneous solutions.
+ 
= 
A. {0}
B. {?}
C. {-1}
D. {1}
Answer: D
Mathematics
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What is 200% of 78.3?
A. 0.3915 B. 15660 C. 156.6 D. 15.66
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Describe the graph of the polar equation. 9r cos ? + r sin ? = 6
A. Vertical line passing through (9, 0) B. Parabola with vertex (9, 6) opening upward C. Line with slope 6 and y-intercept (0, 9) D. Line with slope -9 and y-intercept (0, 6)
Mathematics
Divide, if possible. If a quotient is undefined, state so.-48 ÷ 8
A. -5 B. -7 C. -6 D. 6
Mathematics
Solve the nonlinear system.4x2 + 2y2 = 36x2 + 2y2 = 9
A. {(-3i, 0), (3i, 0)}
B. {(-3, -
), (-3, 
), (3, -
), (3, 
)}
C. {(3, 0)}
D. {(-3, 0), (3, 0)}
Mathematics