Find the indicated roots and express them in rectangular form.Square roots of i
A. 
- 
i, - 
+ 
i
B. -1, 1
C. 
+ 
i, - 
- 
i
D. -i, i
Answer: C
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Express as a product of prime factors.700
A. 24 ? 7 B. 22 ? 52 ? 7 C. 54 ? 7 D. 23 ? 52 ? 7
Use the method of variation of parameters to solve the differential equation.D2y + 8Dy + 12y = 5x
A. y = C1e-2x + C2e-6x + 
x
B. y = C1e-2x + C2e-6x + 
- 
x
C. y = C1e2x + C2e6x - 
+ 
x
D. y = C1e-2x + C2e-6x - 
+ 
x
Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (5, 2, 10)
A. x2 + y2 - z = e19 B. ln(x2 + y2 - z) = 19 C. x2 + y2 - z = ln(19) D. e(x2 + y2 - z) = ln(19)
Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.Main form of exercise for employees of one company:None:28%Walking:19%Running:6%Golf:11%Weight Training:25%Other:11%
A. 
B. 
C. 
D. 