Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ i
D. 
+ 
i
Answer: A
Mathematics
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Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.x - y + 2z + w = 2y + z = 2z - w = 3
A. {(-5 - 4w, -1 - w, 3 + w, w)} B. {(-5, -1, 3, w)} C. ? D. {(-9, -2, 4, 1)}
Mathematics
Determine the integral by making an appropriate substitution.
Use the substitution u = tan x.
A. 
+ C
B. 
+ C
C. sec x tan x + C
D. 
+ C
E. none of these
Mathematics
Write in decimal notation.8.0097 x 106
A. 8,009,700 B. 800,970 C. 480.582 D. 80,097,000
Mathematics
Find the requested polynomial. Find a polynomial of degree 3 having the following zeros:1 + 
, 1 - 
, and 3
A. f(x) = x3 - 5x2 + 5x - 3 B. f(x) = x3 - 5x2 + 5x + 3 C. f(x) = x3 + 5x2 - 5x + 3 D. f(x) = x3 - 6x2 + 6x - 3
Mathematics