Vocabulary
A letter that represents a number
variable
20 - 5 + 10
25
The sum of a number and 12
n + 12
Evaluate 5n2 when n = 3
45
Write an inequality for:
"You must be taller than 48 inches to ride the roller coaster"
x > 48
A number that is multiplied by a variable
coefficient
42 - 2 + 6 x 2
28
The difference of 8 and a number
8 - n
Evaluate (5n)2 when n=4
400
A number and/or variable that is separated by a + or -
term
(14 - 2)2 + 6
150
The product of 15 and n decreased by 11
15n - 11
Evaluate 6x - 10 when x = 7
32
A numeric term in an algebraic expression
constant
14 - 22 + 6
4
Three times the sum of 10 and a number
3(10 + n)
Evaluate 18r + 7 when r = 1/2
16
An expression that includes a variable and one or more numbers and operations.
algebraic expression
30 - (32 - 6) + 13
40
7 less than the product of 4 and n
4n - 7
Evaluate 5(y + 6) - 4x when x = 3 and y = 4
38