anonymous
  • anonymous
Identify square root of 2 as either rational or irrational, and approximate to the tenths place.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
i got it
zzr0ck3r
  • zzr0ck3r
The square root of a prime number is irrational. Go to wolframalpha.com and type sqrt{2} for an approximation
anonymous
  • anonymous
irrational 1.4

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zzr0ck3r
  • zzr0ck3r
correct
anonymous
  • anonymous
can i ask u another question?
zzr0ck3r
  • zzr0ck3r
sure
anonymous
  • anonymous
Solve x3 = 1 over 8. 1 over 2 ±1 over 2 1 over 4 ±1 over 4
zzr0ck3r
  • zzr0ck3r
\(x^3=\dfrac{1}{8}\implies x=\sqrt[3]{\dfrac{1}{8}}\implies x=\dfrac{\sqrt[3]{1}}{\sqrt[3]{8}}\implies x=\dfrac{1}{\sqrt[3]{8}}= \ ?\)
anonymous
  • anonymous
im confuzed
zzr0ck3r
  • zzr0ck3r
Which step?
anonymous
  • anonymous
2nd one
zzr0ck3r
  • zzr0ck3r
1) I took the cube root of both sides which gives just \(x\) on the left and the cube root of the fraction on the right 2) the cube root of a fraction is the cube root of the numerator over the cube root of the denominator. 3) the cube root of \(1\) is \(1\). 4) what is the cube root of \(8\)?
anonymous
  • anonymous
2.82
anonymous
  • anonymous
is it C?
zzr0ck3r
  • zzr0ck3r
what number times itself 3 times equals 8?
anonymous
  • anonymous
2
zzr0ck3r
  • zzr0ck3r
so \(x=\dfrac{1}{2}\)
anonymous
  • anonymous
ok
anonymous
  • anonymous
WaiT!!!!! @zzr0ck3r
anonymous
  • anonymous
is it C or D im confussled
anonymous
  • anonymous
i mean A OR B

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