OHhai4
OHhai4 OHhai4
  • 16-03-2020
  • Mathematics
contestada

Determine if each root is a rational or irrational number. Explain your reasoning. a.√36 b.√78

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amna04352
amna04352 amna04352
  • 16-03-2020

Answer:

a) rational

b) irrational

Step-by-step explanation:

a) 36 = 6²

So sqrt(36) = 6

b) 72 = 2 × 36

sqrt(72) = sqrt(2) × sqrt(36)

Since 2 is not a perfect square, sqrt(72) is irrational

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