Calculate the circulation of the field F around the closed curve C.F = y2i + x3j; curve C is the counterclockwise path around the triangle with vertices at 
, and 
A. 
B. - 
C. 0
D. 
Answer: B
Mathematics
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Convert.7
gal to quarts
A. 31 qt B. 14 qt C. 28 qt D. 62 qt
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.y + 4 = (x - 2)2
A. (- 2, - 4) B. (4, - 2) C. (2, - 4) D. (4, 2)
Mathematics
Graph the solution set.|x| > -2
A. 
B. 
C. 
D. 
Mathematics
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.xy +16 = 0
A. ? = 36.9°
+ 
= 1
ellipse
center at (0, 0)
major axis is the x'-axis
vertices at (±2, 0)
B. ? = 45°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4
)
C. ? = 45°
y'2 = -32x'
parabola
vertex at (0, 0)
focus at (-8, 0)
D. ? = 45°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is y'-axis
vertices at (0, ±4
)
Mathematics