Eliminate the parameter to find a Cartesian equation for the hyperbola.x = sec t + 2, y = 2 tan t + 5
A. (x - 2)2 + 
= 1
B. (y - 2)2 - 
= 1
C. (x - 2)2 - 
= 1
D. (x - 2)2 - (y - 5)2 = 4
Answer: C
Mathematics
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Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(2, 1), (1, 2)} B. {(1, 0), (-1, 0)} C. {(2, 1), (-2, -1), (1, 2), (-1, -2)} D. {(2, 0), (-2, 0), (1, 0), (-1, 0)}
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Multiply.
A. - 
x24
B. - 
x24
C. 
x11
D. - 
x11
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Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
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Graph the linear inequality.-2x - 3y ? 6
A. 
B. 
C. 
D. 
Mathematics