Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (0, 2
) and (0, -2
)
B. foci at (
, 0) and (-
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (2
, 0) and (-2
, 0)
Answer: D
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Answer the question.Find the scale ratio for a map if 1 centimeter on the map represents 100 kilometers on the ground.
A. 1 : 1,000,000 B. 1 : 10,000 C. 1 : 100,000 D. 1 : 10,000,000
Simplify.- 
5
A. 
B. - 
C. 
D. - 
Give the appropriate form of the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Solve the given applied problem.In a particular classroom with 38 students, the rate y at which a rumor spreads is related to the number of people x who have heard the rumor according to the expression 
Determine how many people will have heard the rumor when the spread of the rumor is at its greatest.
A. -31 B. 114 C. 19 D. 69