Absolute Value

Written by Jerry Ratzlaff on . Posted in Mathematics

A numbers distance from zero.  it is never a negative number even though the distance from \( \;0\;\) goes both directions.  Its a number without a sign, \( \; |8|=|-8|=8 \).            

  • \( \; |x|=x \;if\; x\ge0\)
  • \( \; |x|=x \;if\; x<0 \)