Use the discriminant to identify the graph of the non-degenerate conic as a parabola, an ellipse, or a hyperbola.2x2 + 5xy - 9y2 + 4x - 2y + 9 = 0
A. parabola
B. hyperbola
C. ellipse
Answer: B
Mathematics
You might also like to view...
Evaluate the integral.
dx
A. 
+ ln
+ 
+ C
B. (x + 7)2 tan-1 4x + ln
+ 
+ C
C. 
+ ln
- 
+ C
D. 
+ 
+ C
Mathematics
For the given polar equation, write an equivalent rectangular equation.r = 10 sin ?
A. x2 + y2 = 10y
B. 
= 10y
C. x2 + y2 = 10x
D. 
= 10x
Mathematics
Use synthetic division to find the quotient and the remainder.x5 + x3 + 2 is divided by x + 3
A. x4 - 2; remainder 8 B. x4 - 2x2; remainder 8 C. x4 - 3x3 + 10x2 - 30x + 90; remainder -268 D. x4 - 3x3 + 9x2 - 26x + 78; remainder -232
Mathematics
Find the sum.7 + 11 + 15 + 19 + ... + 607
A. 45,750 B. 91,657 C. 46,357 D. 46,968
Mathematics