Find an equation for the ellipse described.Center at (0, 0); focus at (2, 0); vertex at (4, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Solve the equation.13(3x - 6) = 5x - 4
A. 
B. - 
C. 
D. 
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Solve the equation.10y = 2y + 4 + 7y
A. {40} B. {-4} C. {4} D. {-40}
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Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
1/2
A. 
B. 
C. 
D. 
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Find the general term, an, of the given geometric sequence.1, 6, 36, ...
A. an = 6n B. an = 61-n C. an = 6(n - 1) D. an = 6n-1
Mathematics