Definitions Coefficients Constant Terms

In the expression 8n - 7 + 9n + 5, which is a constant? GIVE ONLY ONE

In the expression 9-5n,, what is the constant? GIVE ONLY ONE

In the expression 8n - 7 + 9n + 5, which shows all the terms?

• 8n, 7, 9n, 5

• 8n, 9n 

• -7, 5

• 8n, -7, 9n, 5

In the expression 9-5n,, what is the coefficient?

Identify the Number of terms: ​ Variable Terms:​ Coefficients: Constants: ​

• 3

• 3, 4

• 2

• 3, 1/4

• -12

• 12

• 3c, c/4

• 4

• 43w

• 2

• 43

• 2.5

• 2.5x

• 3

• -2.5

In the following expression, 7x + 9y - 3 answer the following questions. How many terms are there? ​ (a)   What is the coefficient of the x-term? ​ (b)   Are there any "like terms"? ​ (c)   What is the constant term? ​ (d)   Is the expression simplified? ​ (e)  

• 3

• 7

• no

• -3

• yes

• 9

• -9

Match the following.

• coefficient

• ________ contain the same variables to the same powers.

• Mrs. Lauren

• The best math teacher is all the land is _______.

• like terms

• The numerical factor of each term that contains a variable is called a ________ of the variable.

• constant

• When addition and subtraction signs separate ab algebraic expression into parts, each part is called a __________.

• term

• A term without a variable is called a _______.

In the following expression, 7x + 9y - 3 answer the following questions. How many terms are there? ​ What is the coefficient of the x-term? ​ Are there any "like terms"? ​ What is the constant term? ​ Is the expression simplified? ​

• 3

• 7

• no

• -3

• yes

• 9

• -9

How is the number 9 best described in the expression 9m + 3n + 4 (a)  

• coefficient

• variable

• constant

• term