Perform the indicated operation. Simplify, if possible.
+ 
A. 1
B. 
C. 
D. 
Answer: B
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Find an equation for the hyperbola described.Vertices at (0, ±6); asymptotes at y = ± 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(7, 1)} B. ? C. {(6, 1)} D. {(7, 0)}
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (-2, 2)
foci at (-2 + 
, 2), (-2 - 
, 2)
vertices at (-4, -2), (8, -2)
B. center at (2, -2)
foci at (- 
, -2), (
, -2)
vertices at (6, -2), (-6, -2)
C. center at (2, -2)
foci at (2 + 
, 2), (2 - 
, 2)
vertices at (6, -2), (-6, -2)
D. center at (2, -2)
foci at (2 + 
, -2), (2 - 
, -2)
vertices at (-4, -2), (8, -2)
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3
A. 
log3 y - 2
B. log3 
- log3 9
C. log3 
- 2 log3 3
D. 
log3 y - log3 9