Write the expression in the standard form a + bi.2i15 - i7

A. -i
B. 1
C. -1
D. i


Answer: A

Mathematics

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Simplify the rational expression. If the rational expression cannot be simplified, so state.

A.
B.
C.
D. cannot be simplified

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Determine if the given ordered triple is a solution of the system.(5, -5, -2)

A. not a solution B. solution

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Use the Gauss-Jordan method to solve the system of equations.

A. x = -3, y = 5, z = 6 B. x = 3, y = 5, z = 8 C. x = 3, y = 8, z = 5 D. No solution

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Without graphing the function, determine its amplitude or period as requested.y = 4 sin xFind the amplitude.

A. 4?
B. 4
C. 2?
D.

Mathematics