Vocabulary
Letter that represents an unknown number
Variable
b+10
b=11
21
2x+3x-4x
x
The number of terms in the expression 3x + 2y -7
3
Number multiplied by variable
Coefficient
c=2
13
3y+2+4y+1
7y+3
In the expression 2x+3, what is the coefficient?
2
A single number or variable, or numbers and variables multiplied together separated by + or − signs.
Terms
6k-14
k=5
16
5a + 5b -2a + b
3a+6b
The constant in the expression 3x + 2x - 4 is:
-4
Value that does not change
Constant
2a+6
*a=5
16
4x+2+6x
10x+2
Name all the coefficients in the expression: 2x + y - 2
2 and 1
What does PEMDAS stand for?
Parenthesis, Exponents, Multipy, Divide, Add, Subtract.
3d+4-2
d=6
20
5x+6-3x+7
2x+13
The factors of the second term of the expression x2 + 4x + 3 are:
4 and x?