Convert the polar equation to rectangular form. Identify the curve.r = cos ?
A. (x + y)2 = x; a circle centered at 
with radius 
B. (x + y)2 = y; a circle centered at 
with radius 
C. x2 + y2 = x; a circle centered at 
with radius 
D. x2 + y2 = y; a circle centered at 
with radius 
Answer: C
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Solve the equation by factoring.x2 + 4x = 96
A. {12, -8} B. {-12, 1} C. {-12, 8} D. {12, 8}
Find the flux of the curl of field F through the shell S.F = exi + eyj + 3xyk; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the 
A. -3 B. 3 C. -3? D. 0
Clear fractions then solve by substitution.
- 
= - 
= 
A. 
B. 
C. 
D. 
Solve the problem.A scarf manufacturer requires 
yard of fabric for each scarf produced. Find the number of scarves that can be made from 867 yards of fabric.
A. 520 scarves B. 2168 scarves C. 1445 scarves D. 347 scarves