Help with complex numbers

Oct 30th, 2015
SoccerBoss
Category:
Mathematics
Price: $10 USD

Question description

Simplify the expression.

square root of negative 16 x to the power of 4 end root


a. 4ix2

b. 4i2x2

c. -4x2

d. -4ix2



Simplify the expression.

(5 - 2i) + (3 + 4i)


a. 10i

b. 8 + 2i

c. 8 + 6i

d. 2 + 2i



Simplify the expression.

(3 - 4i) - (1 - 4i)


a. 2 -8i

b. 2

c. 2 + 8i

d. 4



Simplify the expression

(1 - 4​i​)(2 + ​i​)


a. 4 - 8​i

b. -2 - 7​i

c. 2 - 11​i

d. 6 - 7​i



Simplify the expression.
(-3 - ​i​)(2 - 2​i​)


a. -8 + 4​i

b. -4 + 4​i

c. -6 + 6​i

d. -6 + 2​



Simplify the expression.

square root of negative 14 end root space • square root of negative 26 end root


i square root of 364

square root of 364

negative i square root of 364

negative square root of 364



Simplify the expression.

fraction numerator 2 space minus space i over denominator 3 space minus space 4 i end fraction


a. fraction numerator 2 space plus space i over denominator 5 end fraction

b. 2 space plus space i

c. fraction numerator 2 space plus space 5 i over denominator 13 end fraction

d. fraction numerator 2 space plus space 5 i over denominator 5 end fraction



Simplify the expression.

fraction numerator 5 space minus space i square root of 3 over denominator 5 space plus space i square root of 3 end fraction


a. fraction numerator 17 space minus space i square root of 3 over denominator 8 end fraction

b. fraction numerator 14 space minus space i square root of 3 over denominator 11 end fraction

c. fraction numerator 8 space minus space i square root of 3 over denominator 17 end fraction

d. fraction numerator 11 space minus space 5 i square root of 3 over denominator 14 end fraction




Simplify the expression.

i15


a. 1

b. -1

c. i

d. -i



Which of the following is equal to 1? 


a. i2

b. i16

c. i21

d. i26





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