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