Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.xy +16 = 0
A. ? = 45°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is y'-axis
vertices at (0, ±4
)
B. ? = 45°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4
)
C. ? = 36.9°
+ 
= 1
ellipse
center at (0, 0)
major axis is the x'-axis
vertices at (±2, 0)
D. ? = 45°
y'2 = -32x'
parabola
vertex at (0, 0)
focus at (-8, 0)
Answer: A
You might also like to view...
Decide whether the relation is a function.{(-8, 2), (-8, 8), (1, -8), (6, 1), (10, 1)}
A. Not a function B. Function
Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
Solve the given equation.
Scores in golf can be 0 (also called par), a positive integer (also called above par) or a negative integer (also called below par). Below are the scores of some members of a college golf team in a recent tournament. 
Find the average of the scores of the members shown. Represent the answer as an integer.
A. 0 B. -1 C. 1 D. 2