Jane evaluates x squared minus 3 x + 5 for x = negative 2 below.
Step 1: (negative 2) squared minus 3 (negative 2) + 5
Step 2: Equals negative 4 + 6 + 5
Step 3: Equals 7
What, if any, was Jane’s mistake?
Jane made no mistakes.
Jane incorrectly evaluated (negative 2) squared in step 2.
Jane incorrectly added the terms in step 3.
Jane incorrectly substituted in x = negative 2 in step 1.
