Determine the real solutions to the system of nonlinear equations.x2 - 2y2 = 23x2 + 2y2 = 14
A. (2, 1), (-2, -1)
B. (1, 2), (-1, 2), (1, -2), (-1, -2)
C. (-1, 2), (1, -2)
D. (2, 1), (2, -1), (-2, 1), (-2, -1)
Answer: D
Mathematics
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? 
A. 
B. 
C. 
D. 
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Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.7 cot2 x - 5 = 0
A. {70.5°, 109.5°, 180°} B. {103.2°, 145.2°, 283.2°, 325.2°} C. {49.8°, 130.2°, 229.8°, 310.2°} D. {51.8°, 128.2°}
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.e-0.8
A. -2.175 B. -0.449 C. 0.749 D. 0.449
Mathematics
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Ray named 
B. Line named 
C. Ray named 
D. Ray named 
or 
Mathematics