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)}
Answer: D
Mathematics
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Determine the two equations necessary to graph the hyperbola with a graphing calculator.
- 
= 1
A. y = 
and y = - 
B. y = 
and y = - 
C. y = 
and y = - 
D. y = 
and y = - 
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Solve.
= -3
A. 
B. -31
C. - 
D. 
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Solve the problem.The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where xo = 10-3.What would be the readings x (to the nearest tenth) for magnitudes of 5.5 and 7.5?
A. 740.4 and 875.1 B. 2.7 and 2.9 C. 3.7 and 3.9 D. 2.2 and 2.6
Mathematics
Solve the equation.
- 
= 
A. 96 B. no solution C. -12 D. 12
Mathematics