Mini-Quiz: Combining Like Terms in an Algebraic Expression

1. What is the result of simplifying the expression (2x + 2) + (3y − 6) + 4?

   (2x + 6) + (3y − 6)Sorry, not correct. Try another button. 2x + 3yThat is correct. You know your Algebra. 5xyGood try, but not right. Select another answer.

2. What is the result of combining like terms in the expression ax2 + bx + c + 2ax2 + 3bx + c?

   3ax2 + 4bx + 2cCorrect. You are clever. (ax2 + bx + c) + (2ax2 + 3bx + c)Sorry, not correct. Try another button. 3×2 + 4x + 2Oops! Wrong answer. Re-read the question and try again.

3. What is the result of simplifying the expression 3x(x + 2) + x2 − (x + 2)(4 + 1)?

   4×2 + x − 10That is correct. You know your Algebra. 3×2 + 3x − 5(x + 2)Good try, but not right. Select another answer. 4×2 + 6x + 10Oops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.