Write the expression in standard form.(2 + 9i)(7 + 3i)
A. 27i2 + 69i + 14
B. -13 + 69i
C. 41 + 57i
D. -13 - 69i
Answer: B
Mathematics
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Solve the following system by any appropriate method. If there is no real number solution, so state.xy = 12012y - 12x = 24
A. (-12, 10), (10, -12) B. (12, 10), (-10, -12) C. (-12, -10), (10, 12) D. no real solution
Mathematics
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Find all solutions.x3 + 6x2 + 4x + 24 = 0
A. {-6} B. {-2, 2, -6} C. {6} D. no real solution
Mathematics
Solve the equation.3(n - 2)2 - 13(n - 2) + 4 = 0
A. {
, 6}
B. {
, -2}
C. {
, 4}
D. {
, 3}
Mathematics