Determine the real solutions to the system of nonlinear equations.x2 + y2 = 25x2 - y2 = 25
A. (0, 5)
B. (0, 5), (0, -5)
C. (5, 0)
D. (5, 0), (-5, 0)
Answer: D
Mathematics
You might also like to view...
Perform the indicated operation.
A. 12 B. 9 C. -12 D. -9
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.x2 - x - 45
A. prime B. (x + 5)(x - 9) C. (x - 45)(x + 1) D. (x - 5)(x + 9)
Mathematics
Find an equation for the ellipse described.Vertices at (-2, 5) and (14, 5); focus at (12, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Evaluate the expression for the given replacement values.x - y
for x = -3, y = -21
A. 24 B. -24 C. -18 D. 18
Mathematics