Perform the operation and write the result in the standard form.(6 + 3i)(3 - 7i)
A. -21i2 - 33i + 18
B. 39 - 33i
C. -3 + 51i
D. 39 + 33i
Answer: B
Mathematics
You might also like to view...
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -8), (0, 8);
F: (0, - 
) and (0, 
)
B. V: (0, 64), (49, 0);
F: (0, 8), (7, 0)
C. V: (-8, 0), (8, 0)
F: (- 
, 0), (
, 0)
D. V: (0, -64), (0, 64);
F: (0, -8), (0, 8)
Mathematics
Solve the equation.4(5 + 3x) = 
A. 
B. {-3}
C. {128}
D. {3}
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Graph the line containing the point P and having slope m.P = (-3, -4); m = 2 
A. 
B. 
C. 
D. 
Mathematics