Solve the equation.
- 2 = 13
A. -4, 8
B. -22, 8
C. 18, 8
D. -8, 8
Answer: B
Mathematics
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Integrate the function f over the given region.f(x, y) = xy over the triangular region with vertices (0, 0), (10, 0), and (0, 7)
A. 
B. 
C. 
D. 
Mathematics
Specify the center and radius of the circle.(x + 1)2 + (y + 4)2 = 9
A. center: ( -4, -1); radius: 9 B. center: (-1, -4); radius: 3 C. center: (1, 4); radius: 3 D. center: (4, 1); radius: 9
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = x3 + 4x2 - 5x - 20
k = -4
A. -
, ±5
B. -
, ±
C. -4, ±5
D. -4, ±
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. (1, 2), (-1, 2), (1, -2), (-1, -2) B. (2, 1), (2, -1), (-2, 1), (-2, -1) C. (2, 1), (-2, -1) D. (-1, 2), (1, -2)
Mathematics