Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2}
B. 0
C. {-2}
D. {2}
Answer: D
Mathematics
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Convert 14 liters to gallons. Round the answer to the nearest hundredth.__________ gal
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (-2, 0), (2, 0); Vertices at (-3, 0), (3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Write the first four terms of the sequence whose general term is given.an = 
A. 2, 1, 
, 
B. -2, - 1, 
, 
C. -2, 1, 
, 
D. 2, - 1, 
, 
Mathematics
Graph the circle. State the center and radius of the circle.x2 + (y - 4)2 = 25
A. center (0, 4); r = 5
B. center (4, 0); r = 5
C. center (0, -4); r = 5
D. center (-4, 0); r = 5
Mathematics