Find the directrices of the ellipse.36x2 + 49y2 = 1764
A. x = ± 
B. y = ± 
C. y = ± 
D. x = ± 
Answer: D
Mathematics
You might also like to view...
Simplify by combining like terms.6x2 + 3xy - 9x2 + 12 + 2xy
A. -3x2 + 5xy + 12 B. -3x2 - 5xy + 12 C. 5x2 + 5xy - 12 D. 5x2 + 5xy + 12
Mathematics
Match the function with its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Convert as indicated.0.57 km to centimeters
A. 5700 cm B. 5.7 cm C. 57,000 cm D. 570 cm
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 7x - 7, g(x) = 
x + 1
A. Yes B. No
Mathematics