Find the foci of the ellipse.7x2 + 2y2 + 14x - 16y + 25 = 0
A. (-1 + 
, 4) , (-1 - 
, 4)
B. (-1, 4 + 
) , (-1, 4 - 
)
C. (1, -4 + 
) , (1, -4 - 
)
D. (-1, 4 + 
) , (-1, 4 - 
)
Answer: D
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Identify the equation as either an identity or not.ln(sin ?) = - ln(csc ?)
A. Identity B. Not an identity
Solve the equation by factoring.12x2 - 5x - 25 = 0
A. 
B. 
C. 
D. 
Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 51 feet from point A and 73 feet from point B. The angle ACB is 50°. How far apart are points A and B?
A. 101.6 ft B. 74.4 ft C. 112.8 ft D. 56.1 ft
Write a cryptogram for the message "MERRY CHRISTMAS" using the matrix, by assigning a number to each letter in the alphabet (with 0 assigned to a blank space, 0 = _, 1 = A, 2 = B and so on.)
?
.
?
A. ?
| 1 | -36 | 28 | 18 | -29 | 14 | 13 | -20 | 18 |
| -25 | 115 | 43 | 10 | -67 | 11 |
B. ?
| 13 | -20 | 18 | -25 | 115 | 43 | 10 | -67 | 11 |
| 1 | -36 | 28 | 18 | -29 | 14 |
C. ?
| 10 | -67 | 11 | 1 | -36 | 28 | 18 | -29 | 14 |
| 13 | -20 | 18 | -25 | 115 | 43 |
D. ?
| -25 | 115 | 43 | 10 | -67 | 11 | 1 | -36 | 28 |
| 18 | -29 | 14 | 13 | -20 | 18 |
E. ?
| 18 | -29 | 14 | 13 | -20 | 18 | -25 | 115 | 43 |
| 10 | -67 | 11 | 1 | -36 | 28 |