All Real Numbers that are NOT Rational Numbers; cannot be expressed as
fractions, only non-repeating, non-terminating decimals
−√2 , −√5 3 , √21, √81 3 , √101 *Even roots (such as square roots) that don’t simplify to whole numbers are irrational.
Set up a proportion where number of times is on top and miles is on bottom: 6/1 = x/(5/6) Cross-multiply: 6*(5/6) = 1*x 5 = x She must run 5 times around her neighborhood.