Parts of an Expression 1
What is the constants in the following expression:
5v+2+4b+12+3x
Constants are 2 and 12
How many terms are listed below...
8x+19y-7-2x+13
5 terms
What is a variable? What does it represent?
A letter that represents an unknown quantity.
What are the coefficients in the following expression:
3b+9n+q+6
Coefficients are 3, 9, and 1
What are the variables in the following expression:
5q+7v+2q+7j
+10
Variables are q, v, and j
What are the variables in the following expression:
3x+9v+2+5q+r
The variables are x, v, q, and r
NAME the coefficients below...
7a+8-9b+8c-10
7, -9, 8
Definition: A number that stands by itself.
Constant
What are the like terms in the following expression:
4+6g+2w+5+w
Like terms are 4 and 5; 2w and w
What are the like terms in the following expression:
5d+2e+6a+6d+3e
Like terms are: 5d and 6d; 2e and 3e
What are the coefficients in the following expression:
2v+5t+3-1+8r
Coefficients are 2, 5, and 8.
List the coefficients and constants...
9h-7r+4-23j+13
Coefficients: 9, -7, -23
Constants: 4, 13
What are terms separated by?
What are the terms in the following expression:
3m+5k+7h+2+t
Terms are 3m, 5k, 7h, 2, t
What are the variables in the following expression:
6f+9p+2k+5+10
Variables are f, p, and k
What are all of the like tems in the following expressions:
5r+2w+3r+5+10
Like terms are 5r and 3r
If a variable is by itself, what number automatically goes in front of it?
Example: a + 8
The number 1
What operation is associated with coefficients?
Multiplication
Example: 4y (4 times y)
What are the constants in the following expressions:
c+9p+5f+4
Constant is 4
What are the terms in the following expression:
4r+6t+5h+p+13
Terms are 4r, 6t, 5h, p, and 13
What are all of the terms in the following expression:
5+3t+w+4c
Terms are 5, 3t, w, and 4c
Spot the mistake:
4x-9y+3-14z+6y-7x-12
Terms: 4x, -9y, 3, -14z, 6y, -7x, -12
Coefficients: -9, 14, 6, -7
Variables: x, y, z
The coefficient 14 should be -14.
True or False:
The 7 in 7x is a constant
False. It is a coefficient
What are the variables in the following expression:
5+4x+9y+8z
Variables are x, y, and z
What are the constants in the following expression:
4d+9u+3h+2w
There are no constants