Algebraic Expressions and Combining Like Terms

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5

Evaluate the expression.        Let    a = 4
5a + 7a - 8

• 48

• 28

• 40

• 35

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five

• eight

• six

• nine

Simplify: 4k + 6k - 3k + 3s - s

• 13k + 3s

• 7k + 2s

• 7k + 4s

• Can't be simplified

In the term 12d, 12 is called the...

• variable

• product

• simplify

• coefficient

A letter that represents a number is called a _____.

• variable

• coefficient

• constant

• term

How many terms are in the expression below:
-3c + 7d

• one

• two

• three

• four

x + 2x

• 2x²

• 3x

• Can't be simplified

• 3x + x

Evaluate the expression.    Let     c = 3     d = 2
3c + 7d

• 27

• 21

• 29

• 23

What is the coefficient of the following expression? 
7c + 8

• c

• 7

• 8

• 1