Find the vertices of the ellipse.
+ 
= 1
A. (-3 + 2
, 2), (-3 - 2
, 2)
B. (-9, 2), (3, 2)
C. (6, 2), (-6, 2)
D. (- 2
, 2), (2
, 2)
Answer: B
Mathematics
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 
x +
A. 
; 
2
B. 0; 
2
C. 
; 
2
D. 81; 
2
Mathematics
Provide an appropriate response.What is wrong with the following problem? 
0.002
What will be an ideal response?
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Solve the problem.The table shows the monthly revenue (in millions) for a software company for the first nine months of a recent year. Find the mode of the monthly revenues. 
A. $19.5 million B. $18.5 million C. $18.95 million D. $19.4 million
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Decide whether the expression is or is not an identity.
= 1 - cos x
A. Identity B. Not an identity
Mathematics