Solve the equation in the complex number system.x2 + 25 = 0
A. {5i}
B. {-5i, 5i}
C. {5}
D. {-5, 5}
Answer: B
Mathematics
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Solve the problem.Find the point on the curve of intersection of the paraboloid 
and the plane 
that is closest to the origin.
A. (1, 1, -1) B. (1, 1, 1) C. (-1, 1, 1) D. (1, -1, 1)
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 75°
A. 2 - 
B. 2 + 
C. -2 - 
D. -2 + 
Mathematics
Find the sum.0.9686 + 4.7119
A. 5.6705 B. 5.6795 C. 5.7805 D. 5.6805
Mathematics
Find the real zeros, if any, of each quadratic function using the quadratic formula. List the x-intercepts, if any, of the graph of the function. G(x) = x2 + 7x - 18
A. x = -9, x = -2 B. x = 9, x = -2 C. x = -9, x = 2 D. x = 9, x = 2
Mathematics