Question

Error Analysis: Tim incorrectly rewrote the expression 1/4 p- 1/2 p+5 as 1/4 p+ 1/2 p-5 . Rewrite the expression without parentheses correctly. What was Tim's likely error?

Answer 1

To correct Tim's error, rewrite the expression without parentheses correctly by changing the sign of the last term from +5 to -5.

To correct Tim's error, we need to rewrite the expression without parentheses correctly. The given expression is 1/4 p - 1/2 p + 5, and Tim rewrote it as 1/4 p + 1/2 p - 5. The likely error Tim made was to change the sign of the last term. Instead of subtracting 5, he added 5. The correct expression without parentheses is 1/4 p - 1/2 p - 5.