Use the addition method to solve the system. If the equations of the system are dependent, or if a system is inconsistent, so indicate.
A. 
B. 
C. 
D. The equations are dependent.
E. The system is inconsistent.
Answer: E
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Find the indefinite integral.
?
?
A. 
B. 
C. 
D. 
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.49y2 - 64x2 = 3136
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -8), (0, 8)
foci: (- 
, 0) , (
, 0)
asymptotes of y = - 
and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -8) and (0, 8)
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: (-8, 0), (8, 0)
foci: (-7, 0), (7, 0)
asymptotes of y = - 
and y = 
Write the improper fraction as a mixed or whole number.
A. 7
B. 6
C. 7
D. 8
To determine the break-even point, or the number of units that must be sold so that no profit or loss occurs, an economist uses the formula Px = Cx + F, where P is the selling price per unit, x is the number of units that must be sold to break even, C is the cost to make each unit, and F is the fixed cost. A manufacturer of picture frames determines that the cost per unit for a frame is $15 and that the fixed cost is $2125. The selling price for the frame is $20. Find the break-even point.
A) 450 units B) 425 units C) 50 units D) 100 units E) 150 units