Translating
The product of a number and 3
3x
What is a Variable
A symbol representing an unknown number. (x)
n^2 - 3n + 8
12
-x + 12 x
11x
(a + b) x 2
2a + 2b
A quotient of a number and -5
x divided by -5
What is a Coefficient?
A number placed in front of a variable
x^2 if x = -5
25
3x - 2x + 5x
6x
6 (x + 9)
6x + 54
The sum of twice a number and 7
2x + 7
What is a Term?
A single number, a variable, or numbers and variables multiplied together.
4|m - n|
8
-2x + 11 + 6x
4x + 11
5 (x - 9)
5x - 45
4 less than a number squared
x^2 - 4
What are Constants?
A value or number that never changes and stands on its own.
x^2 - 4y over 2
14
5x - 15 - 20x + 10
-15x - 5
12 (x + 4)
The sum of twice a number and 10 is 36
2x + 10 = 36
Whats an Equation?
A mathematical phrase that combines numbers and variables.
s^2t - 10 if s = -2 and t = 10
30
6x - 2x + 8 + 4x + 9
8x + 17
3 (7y - 1)
21y - 3