Convert the equation to the standard form for an ellipse by completing the square on x and y.9x2 + 16y2 - 18x - 96y + 9 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Find the exact value. Do not use a calculator.tan 0
A. 1
B. 0
C. 
D. undefined
Mathematics
The nth term of a sequence is given. Find the first 4 terms.an = 
A. 1, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Mathematics
Simplify.
A. -8
B. -
i
C. 8i
D. -8i
Mathematics
Use the discriminant to determine the number and type of the solutions to the quadratic equation. Do not solve the equation.7x2 + 7x - 4 = 0
A. exactly one real solution B. two real solutions C. two nonreal solutions
Mathematics