Combining Like Terms and Algebraic Expressions

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

How many terms does this expression have?

• 1

• 2

• 3

• 4

In the expression 3p + 4, what is the word for the number 3?

• term

• coefficient

• product

• sum

Simplify: 4q + 4t + 3q + t

• 12tq

• 3q + 4t

• 7q + 5t

• Can't be simplified

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

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

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

Rewrite the expression by combining like terms.
3y + 5x² + 10x + 2x² + 15x – 3y

• 3x² + 3xy + 6y

• 6y² + 2xy + 2x

• 7x² + 25x

• 3x² + 6y² + y