Problem

Match each expression with its appropriate interpretation.
Expression
Interpretation
  • 7, minus, 9
  • open vertical bar, 7, minus, 9, close vertical bar
  • 7, plus, left parenthesis, minus, 7, right parenthesis
  • Sums to zero
  • The distance between 7 and 9 on the number line
  • The number 9 to the left of 7 on the horizontal number line