Name the quadrant in which the angle ? lies.cot ? < 0, cos ? > 0
A. I
B. II
C. III
D. IV
Answer: D
Mathematics
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Fill in the blank with one of the words listed below.
If x2 = a, then x = 
or x = -
. This property is called the 
property.
A. square root B. quadratic C. completing the square D. conjugate
Mathematics
Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 0
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.x = -yy + x = 6
A. inconsistent system of equations B. (1, 1) C. (1, 5) D. dependent equations
Mathematics
Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = tanx on 
A. 2?
dx
B. 
dx
C. 
dx
D. 2?
dx
Mathematics