Identifying Parts of an Expression
3X+Y-2
Identify the COEFFIECENTS in the expression
3 & 1
A number "x" divided by 30
x/30
2y+6
y=5
2y+6 y=5
2(5)+6
10+6
16
Define the Word Variable
A symbol, usually a number, that represents one or more unknown number.
What do we NOT use as a multiplication symbol when using variables?
X
4j+6k+L-6
Identify the VARIABLES in the expression
J, K, & L
A number "B" less than 62
62-B
x/25
x=275
x/25
275/25
11
The number in front of a variable is known as a what?
Coefficient
Pitbull Mix
Will except Pitbull
7+2y-4
Identify the CONSTANTS in the expression
7 & 4
The product of a number P and 40
40P
19-3x
x=2
19-3x x=2
19-3(2)
19-6
13
What is a term?
Any number or combination of numbers and variables in an expression. Everything except the operation signs.
What letters can stand in as a variable?
Any letter in the alphabet.
8y+2x-3
Identify the TERMS in the expression
8y, 2x, & 3
The sum of G & 86
G + 86
or
86+ G
8p
p=8
8p p=8
8(8)
64
This number never changes. It also does not have a variable attached to it.
Constant
What is our class skeletons name?
Bones
2X+3Y-4+6
Identify the TERMS, COEFFICIENTS, VARIABLES, AND CONSTANTS in this expression.
Terms: 2x, 3y, 4, & 6
Coefficients: 3 & 4
Variables: x & y
Constants: 4 & 6
3 multiplied by X plus 4
3x+4
(x+2)2
x=3
(x+2)2 x=3
(3+2)2
(5)2
25
A mathematical phrase that includes numbers, variables, and operation signs.
Expression
What is Ms. Looney's Favorite Alani flavor?
Hawaiian Shaved Ice