emmmmmmma64 emmmmmmma64
  • 21-09-2018
  • Mathematics
contestada

Is this a irrational or rational number?

Is this a irrational or rational number class=

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jimthompson5910 jimthompson5910
  • 21-09-2018

The value 18 is rational but the sqrt(5) is irrational. Multiply a rational with an irrational, and you get irrational. Overall, the entire expression is irrational. There is no way to represent this value as a fraction of whole numbers.

note: "sqrt" is shorthand for "square root"

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