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Simplify the expression (-1+6i)+(-4+2i) a.5-8i c.-5+8i b.5-2i d.3i
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d. 3i
That is wrong it should be : C. -5 + 8i
Tdabboud, -1+6i = 5i, -4+2i = -2i, 5i + -2i = 3i
(-1+6i)+(-4+2i) = -1 +6i -4+2i = -5 +8i
you cannot simply add the i like that. i is an imaginary number so it can only be added with other i's. Not like you have done chaplaps
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C
-1 + -4 = -5 6i + 2i = 8i -5 + 8i
hmm okay sorry
How would u rewrite this in vertex form y=x^2+10x+16 a.y=(x+5^2)+41 c.y=(x+10^2)+11 b.y=(x+10^2)-9 d.y=(x+5^2)-9
The answer is D.
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can u show me how u did it?
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