Vocabulary
The letter in an expression that represents an unknown number
Variable
Name the constants in -3x -2 +4x - 8
-2, -8
2x + 2 + 4x + 8
6x + 10
2(x + 4)
2x + 8
eight less than a number
x - 8
A number, variable, or product of a number and a variable that is separated by addition or subtraction
Term
Name the coefficient in 5x - 9
5
-4x - 6 + 2x + 8
-2x + 2
-2 (x + 4)
-2x - 8
double the sum of a number and five
2(x+5)
A number multiplied by a variable (usually in front of the variable)
Coefficient
How many terms are in 2x + 8x - 4
3 terms
3x^2 -6x + 6 + 7x
3x^2 + x + 6
-2 (6x - 3) +4
-12x + 10
The product of a number and 2 decreased by 3
2x - 3
A number that stands alone, it is not attached to a variable
Constant
Identify the variable(s) in 9m - 2n +8
m and n
-3m + x + 23 -12x - 3m
-6m -11x +23
-1/2 (4x + 6)
-2x - 3
The side length of a square is 5x + 4, write an expression to find the perimeter of the square
4(5x+4)
To find the value of an expression
Evaluate
state which terms are like terms in 9x^3 - 6n - 2x
There aren't any
1/3x - 4/5 + 4/9x - 1/10
7/9x - 9/10
-1/3 ( -9x + 12) -2
3x - 6
17 increased by the quotient of 8 and a number
17 + (8/x)