Algebraic Expressions Vocabulary

Constants

2

Name the constant(s) in this expression: 3x+5y+2

2

4

Name the constant(s) in this expression: 15+2x-3+y

15 and -3

6

Name the constant(s) in this expression: 14x+2y-5+9+3r

-5 and 9

8

Name the constant(s) in this expression: 15x+4y+2z

There is no constant in this expression.

10

Give the definition in you own words of a constant.

A constant is a number that cannot change its value. It always stays the same.

Variables

2

Name the variable(s) in this expression: 2y+3x+7z

y, x, and z

4

Name the variable(s) in this expression: 17x+2y+13x+14y+6

x and y

6

Name the variable(s) in the following expression: 17a+12b+9

a and b

8

Name the variable(s) in this expression: 17+9-0

There are no variables in this expression.

10

Define variable in your own words.

a letter or symbol that stands in for another number

Coefficients

2

Name the coefficient(s) in this expression: 3x+2y-4z+2

3, 2, and -4

4

Define in your own words what a coefficient.

A coefficient is the number in front of a variable. It is multiplied by the variable.

6

Name the coefficient(s) in this expression: 2x+4x+5

2 and 4

8

Name the coefficient(s): -3x+2y-z

-3, 2, and -1

10

Why is 2x not a coefficient but 2 is?

A coefficient is only the number.

Terms

2

The number of terms that are in a trinomial.

3

4

The two symbols that separate terms.

+ and -

6

The number of terms are in the following polynomial: 2x+4y+3-2

4

8

Name the terms in the following polynomial: 3x-2y+7-3z

3x, -2y, 7, -3z

10

Name the terms in the following expression: 2q+9r-73n+16

2q, 9r, -73n, 16

Degree of Polynomials

2

4y + 7

1

4

3X

1

6

4x² + 5x + 6

2

8

7

0

10

x²y+2xy³-x²y²+x⁵

5