Write the complex number in standard polar form. Write the argument in radians using exact values.z = - 4 + 4
i
A. 4
B. 4
C. 8
D. 8
Answer: D
Mathematics
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0.0086 × 9.3
A. 0.07998 B. 0.007998 C. 0.7998 D. 0.0007998
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find R if 
and 
A.
1 +  i |
B.
 + i |
C.
| 1 + i |
D.
+ 
i
Mathematics
Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.49k2 + 56k + 16 = 0
A. (49k - 4) = 0 B. Cannot be solved by factoring C. (7k + 4)(7k - 4) = 0 D. (7k + 4)2 = 0
Mathematics