Solve the system by the addition method.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. {(2, 1), (2, -1), (-2, 1), (-2, -1)}
B. {(-1, 2), (1, -2)}
C. {(2, 1), (-2, -1)}
D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Answer: A
Mathematics
You might also like to view...
For what values of x does the series converge conditionally?
A. x = -1 B. x = 1 C. x = ±1 D. None
Mathematics
Add or subtract.
- 
A. 
B. 
C. 
D. 
Mathematics
Use the summation properties and rules to evaluate the series. The following rules may be needed: 
. 
A. - 60 B. - 110 C. - 40 D. - 85
Mathematics
Solve the equation.(6x + 2) - 7 = 7(x + 8)
A. {13} B. {- 61} C. {47} D. {61}
Mathematics