A number on its own
Constant
Combine like terms:
4x + 7 - 6x - 2
-2x + 5
a – 3b + c2 if a = -2, b = 1, and c = 3
4
2(4x + 6)
8x + 12
10 - 3x + 7x - 4
4x + 6
A letter that represents a number in math
Variable
Combine Like Terms:
5 - 6x - 2x - 7
-8x - 2
-b – 4ac if a = -1, b = 6, and c = 3
6
-5(3y - 2)
-15y + 10
8x + 3y - x + y if x= 1 and y= 3
19
Terms with the same variables and powers
Like Terms
Combine Like Terms:
-7n + 4n + 9
-3n + 9
xy ÷ 6 + 10 if x = 7 and y = 6
17
4(3p - 6) - 5p
7p - 24
8y - 3xy
The number in front of (being multiplied to) a variable
Coefficients
Combine Like Terms:
9 - 3p + 8p - 1
5p + 8
x2 – 4x + 3 if x = 5
8
1 + 8(2x - 3)
16x - 23
5x + 6x - 7
11x - 7
Identify the Variable, Terms, Like Terms, Constant, and Coefficients of this expression:
x2 + 2x2 - 4x + 1
V: x
Terms: x2, 2x2, -4x, 1
Like Terms: x2, 2x2
Constant: 1
Coefficients: 1, 2, -4
Combine Like Terms:
7 - 3y + 4y - 9
y - 2
m - p ÷ 5 - 4m if m = 1 and p = 10
7x(1 + y) - 2xy
7x + 5xy
4x - 5y + 3 - 1 if x= 3 and y = 1
9