Solve the problem.Find the impedance Z when the voltage is V = -8 + 4j and current is I = -7j. (Z = 
)
A. 
+ 
j
B. - 
+ 
j
C. 
+ 
j
D. - 
- 
j
Answer: D
You might also like to view...
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Acute C. Right D. Straight
Find the center (h, k) and radius r of the circle with the given equation. (x + 9)2 + y2 = 121
A. (h, k) = (-9, 0); r = 121 B. (h, k) = (-9, 0); r = 11 C. (h, k) = (0, -9); r = 121 D. (h, k) = (0, -9); r = 11
Solve the problem.The function r(x) = x2 - 30x - 60 describes a company's monthly revenue and 
describes the monthly costs where x represents the number of units produced and then sold. How many units must be sold for the company to break even (which means the net = 0)?
A. 80 units B. 39 units C. 40 units D. 38 units
Write the decimal in words.56.6
A. Fifty-six and six millionths B. Fifty-six and six hundredths C. Fifty-six and six thousandths D. Fifty-six and six tenths