Algebraic Expressions

How many terms are in the expression 4x + 2?

• 0

• 1

• 2

• 4

What is the constant in the expression 4x + 2?

• 4

• x

• 2

• 6

What is the variable in the expression 4x + 2?

• 4

• x

• 2

What is the coefficient in the expression 7x + 1?

• 7

• x

• 1

• 8

Which of the following is the definition of a coefficient?

• a term without a variable

• the number in front of a variable that is being multiplied by the variable

• an unknown value

Which of the following is the definition of a constant?

• term without a variable

• the number in front of a variable

• an unknown value in an expression

Evaluate 2x + 5 when x = 3.

• 7

• 28

• 6

• 11

Evaluate x + 12 when x = 3.

• 15

• 312

• 0

• 12

How many terms are in the expression 2x + y + 4?

• 1

• 2

• 3

Evaluate x - y when x=27 and y=9.

• 36

• 0

• 18

• IDK!