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

07-10-2016

The answer is C 5 + 6i

Answer Link

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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