turtleturtle
turtleturtle turtleturtle
  • 07-10-2016
  • Mathematics
contestada

Add or subtract as indicated and write the result in standard form. 5i - (-5 - i)
A. -5 + 4i
B. -5 - 6i
C. 5 + 6i
D. 5 - 4i

Respuesta :

tasharasta
tasharasta tasharasta
  • 07-10-2016
The answer is C 5 + 6i
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 07-10-2016
a+bi is standard form

remember to distribute
-1(-5-i)=5+i

5i+5+i=5+5i+i=5+6i

C is answer
Answer Link

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