What is a coefficient

The video tutorial explains the concepts of terms, variables, and constants, and introduces the idea of coefficients as numeric factors in terms. It provides an example to illustrate how to identify coefficients in mathematical expressions, emphasizing the distinction between constants and terms with coefficients.

What is a constant in mathematical terms?

• A number that changes with variables

• A symbol that represents an unknown value

• A number that is multiplied by a variable

• A number that is not multiplied by a variable

What is the numeric factor in the term 3X?

• 3X

• 3

• None

• X

In the expression -7XY, what is the coefficient?

• -7

• 7

• X

• XY

Which of the following terms does not have a coefficient?

• 3Z^2

• 3X

• 8

• -7XY

In the term 3Z^2, what is the numeric factor?

• 3

• None

• 3Z

• Z^2