3 years ago

Reflect A across the x-axis. Label the reflection as N, and give its coordinates.

Mathematics

1 answer:

Kipish [7]3 years ago

4 0

Answer:

N (-4,3)

Once A is reflected over the horizontal line, it is (-4,3)

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2 years ago

(3 + 4i) - (8 -5i) Write answer in standard form a +bi Group of answer choices

Anton [14]

Answer:

$A=-5+9i$

Step-by-step explanation:

$\left(3+4i\right)-\left(8-5i\right)\\\\\mathrm{Group\:the\:real\:part\:and\:the\:imaginary\:part\:of\:the\:complex\:number}\\\left(a+bi\right)\pm \left(c+di\right)=\left(a\:\pm \:c\right)+\left(b\:\pm \:d\right)i\\\\=\left(3-8\right)+\left(4+5\right)i\\3-8=-5\\4+5=9\\\\=-5+9i$