Write the complex number in polar form.-3
+ 3j
A. 6(cos(-135°) + j sin(-135°))
B. 6(cos(-45°) + j sin(-45°))
C. 6(cos 135° + j sin 135°)
D. 6(cos 45° + j sin 45°)
Answer: C
Mathematics
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Solve using the quadratic formula.3x2 - 15x + 18 = 0
A. 2, -3 B. 2, 3 C. -2, -3 D. -2, 3
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Plot the point in the given coordinate system.(-1, 3)
A. 
B. 
C. 
D. 
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Simplify.(42.1 - 1.5) × (-16)
A. -649.6 B. 665.6 C. -18.1 D. -6496
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Find the square root. Do not use a calculator. Do not refer to a table of square roots.
A. 38,416
B. 196
C. 
D. 14
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