Identify Parts of an Algebraic Expression

What is the coefficient in this expression?
3x+4-2

• x

• 4

• 3x

• 3

How many terms are in the expression
3x + 2y + z

• 5

• 2

• 4

• 3

How many constants are in the following expression?
5b + 3 - 4k + 6

• 3

• 6

• 2

• 4

• 7

• 2

• x

• 5

• 7

• 2

• x

• 5

• 1

• 2

• 3

• 4

Identify a constant in the expression
3x + 2y + 7

• 3

• 2y

• 7

• 2

Identify the variables in the expression
3x +  9

• x

• y

• 9

• 3x

How many terms are in the expression
3a + 2b + c + 100

• 3

• 4

• 5

• 6

Identify the constant in the expression
4y + 2 + x

• x

• y

• 4y

• 2