logan1234567 logan1234567
  • 18-07-2018
  • Mathematics
contestada

if sqrt x=-7 then x=-49
true or false

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 18-07-2018

False.


IF √x = -7.


Square both sides


(√x)² = (-7)²


x = (-7)(-7)


x = 49


x will equal 49


False is your answer



hope this helps

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