Mini-Quiz: Combining Like Terms in an Algebraic Expression

by Ron Kurtus (revised 17 August 2012)

Take this Mini-Quiz to check your understanding of the lesson material.

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

(2x + 6) + (3y − 6)

2x + 3y

5xy

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

3ax2 + 4bx + 2c

(ax2 + bx + c) + (2ax2 + 3bx + c)

3x2 + 4x + 2

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

4x2 + x − 10

3x2 + 3x − 5(x + 2)

4x2 + 6x + 10

If you got all three correct, you are on your way to becoming a Champion in Algebra. If you had problems, you had better look over the material again.

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