anonymous
  • anonymous
Solve the equation by finding square roots 32x^2=50
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
start by diving each side by 32
anonymous
  • anonymous
I have and got 2 now i have no idea what to do. The answers are -4/5,4/5 -25/16, 25/16 -16/25, 16/25 -5/4, 5/4
ZeHanz
  • ZeHanz
Try to write everything down step by step. Begin with surdawi's idea:\[32x^2=50 \rightarrow x^2=\frac{ 32 }{ 50 }\]You could now go on and take the root straightwawy, but it is much better to simplify the fraction first!\[x^2=\frac{ 32 }{ 50 }=\frac{ 16 }{ 25 }=\frac{ 4^2 }{ 5^2 }\]Now I think you can see the two numbers that satisfy the equation!

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ZeHanz
  • ZeHanz
Sorry, typo! I did it upside down :( It is of course:\[x^2=\frac{ 50 }{ 32 }=\frac{ 25 }{ 16 }=\frac{ 5^2 }{ 4^2 }\]
anonymous
  • anonymous
so it is -5/4, 5/4 ?
ZeHanz
  • ZeHanz
It is!!
anonymous
  • anonymous
would you mind helping me with another one?
ZeHanz
  • ZeHanz
No problem!

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