rosetoheart2
rosetoheart2 rosetoheart2
  • 07-11-2018
  • Mathematics
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Help with these algebra 2 questions

Help with these algebra 2 questions class=

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Rinkhals
Rinkhals Rinkhals
  • 07-11-2018

[tex]Given\;:\sqrt{-18} - \sqrt{-32}[/tex]

we know that i² = -1

[tex]\implies\sqrt{18}i - \sqrt{32}i\\[/tex]

[tex]\implies 3\sqrt{2}i - 4\sqrt{2}i[/tex]

[tex]\implies -i\sqrt{2}[/tex]

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lilsmitty137ovf7yw lilsmitty137ovf7yw
  • 07-11-2018

Answer:

#3 is the answer


Step-by-step explanation:


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