Concept:The square root of a number is the value that when multiplied by itself gives the original number.Explanation:We check each option by squaring it.822=6724 (too small).882=88×88=7744 (matches).722=5184 (too small).942=8836 (too large).Only 88×88=7744, so the square root is 88.Answer:Option 2 (88).