Solve the system by the addition method.x2 + y2 - 4x + 8y + 19 = 0 x2 - y2 - 4x - 8y - 13 = 0
A. {(3, -4), (-1, -4)}
B. {(3, -4), (1, -4)}
C. {(2, 3), (2, 5)}
D. {(2, -3), (2, -5)}
Answer: B
You might also like to view...
Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
- 2, find 
f(x).
A. 
; limit = ?
B. 
; limit = 1.95
C. 
; limit = 1.50
D. 
; limit = 0
Determine whether the variation between the indicated quantities is direct or inverse.The price of an item and the quantity of the item that you can purchase with a given amount of money
A. Inverse B. Direct
Four players (A, B, C, and D) agree to divide the 14 items shown below by lining them up in order and using the method of markers. The players' bids are as indicated.
Item 5
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Find all values of ? with the given trigonometric function value.tan ? = 1
A. 225° + n ? 360°; 315° + n ? 360°, n any integer B. 45° + n ? 360°; 315° + n ? 360°, n any integer C. 45° + n ? 360°; 225° + n ? 360°, n any integer D. 135° + n ? 360°; 225° + n ? 360°, n any integer