 Pre-Assessment Variable Expressions and Order of Operations As you work through each problem, keep track of how many smiley faces you get and how many frown faces you get. This will help you decide how much practice you need to understand the concepts. Good luck! Click here for first question.

Evaluate when x = 2.  Click on the correct answer:  A. 49 A. 49  B. 14 B. 14  C. 9 C. 9  D. None of the above D. None of the above

Evaluate when x=2 and y=5.  Click on the correct answer:  A. 3 A. 3  B. -3 B. -3  C. 7 C. 7  D. 10 D. 10

Evaluate when x=2 and y=5.  Click on the correct answer:  A. 5 A. 5  B. 0.8 B. 0.8  C. 2 C. 2  D. none of the above D. none of the above

Evaluate the expression.  Click on the correct answer:  A A  B. 17 B. 17  C C  D. none of the above D. none of the above

Evaluate the expression.  Click on the correct answer:  A. 10 A. 10  B. 19 B. 19  C. 17 C. 17  D. None of the above D. None of the above

Evaluate the expression.  Click on the correct answer:  A. 19 A. 19  B. 22 B. 22  C. 28 C. 28  D. none of the above D. none of the above

YOU ARE CORRECT!!!!!!! NEXT QUESTION

YOU ARE CORRECT!!!!!!! NEXT QUESTION

YOU ARE CORRECT!!!!!!! NEXT QUESTION

YOU ARE CORRECT!!!!!!! NEXT QUESTION

YOU ARE CORRECT!!!!!!! NEXT QUESTION

YOU ARE CORRECT!!!!!!! DONE! Great Job!

YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

YOU ARE INCORRECT. GOOD TRY! NEXT QUESTION

YOU ARE INCORRECT. GOOD TRY! DONE Great Job!