Provide an appropriate response.Find all complex square roots of z = 2
. Write each root in rectangular form.
A. 
+ 
i, - 
- 
i
B. 
+ 
i, - 
- 
i
C. 
- 
i, - 
+ 
i
D. 6 - 2i, -6 - 2i
Answer: B
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Find the required ratio.The atomic mass of an atom of carbon is defined to be 12 u. The ratio of the atomic mass of an atom of bromine to that of an atom of carbon is 
. What is the atomic mass of an atom of oxygen? (The symbol u represents the unified atomic mass unit, where 1 u = 1.66 × 10-27 kg.)
A. 40 u B. 80 u C. 160 u D. 82 u
Solve.A perfect number is a natural number that is equal to the sum of its factors, excluding the number itself. Determine whether or not the number 496 is perfect.
A. No B. Yes
Solve and check.130 + y = 830
A. y = 698 B. y = 960 C. y = 700 D. y = 107,900
Solve the problem.If a graph is symmetric with respect to the origin and it contains the point (-4, 7), which of the following points is also on the graph?
A. (7, -4) B. (-4, -7) C. (4, 7) D. (4, -7)