Solve the problem.Find the area of the right triangle ABC with A = (-2, 7), B = (7, -1), C = (3, 9).
A. 58 square units
B. 
square units
C. 29 square units
D. 
square units
Answer: C
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the priority list, C, E, G, F, B, A, D and the priority-list model to schedule this project with two processors results in a finishing time of
A. 21 hours. B. 24 hours. C. 22 hours. D. 26 hours. E. none of these
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.49y2 - 16x2 = 784
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -4), (0, 4)
foci: (- 
, 0) , (
, 0)
asymptotes of y = - 
and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -4) and (0, 4)
foci at (0, - 
) and (0, 
)
asymptotes of y = - 
and y = 
C. center at (0, 0)
transverse axis is x-axis
vertices: (-7, 0), (7, 0)
foci: (- 
, 0) , (
, 0)
asymptotes of y = - 
and y = 
D. center at (0, 0)
transverse axis is x-axis
vertices: (-4, 0), (4, 0)
foci: (-7, 0), (7, 0)
asymptotes of y = - 
and y = 
Determine whether the equation defines y as a function of x.y2 = 2x
A. Yes B. No
Evaluate the expression or indicate that the root is not a real number.
+ 
A. 14
B. 
C. 100
D. 10