Vocabulary
the parts being added together or subtracted.
Example: 4x + 3x + 3y + 7y
What is a term?
4a + 2a + a + 9
What is 7a + 9
Solve: 2 (b + 10)
2b + 20
Numbers that only have one and itself as factors
prime number
Like or UNLike 7x + 7
UNLike Terms
Terms that contain the same variable(s) raised to the same exponent. These terms can be combined.
What are like terms?
5x + 5 + 3x + 2
What is 8x + 7
Solve: 6 (c -5)
6c + 30
The only even prime number
2
Like or UNLike 3x - 4x + x
Like Terms
A number in front of the variable
Example: 5x
What is a coefficient?
2 + 2t + 6t + 8
What is 8t + 10
Solve: 4 ( z - 4)
What is 4z - 16
TRUE!
Like or UNLike 3x + 2y + 2xy
UNLike Terms
A number all alone in an algebraic expression
Ex: 3x + 5
What is a constant?
6p + 30 + 2 + 4p
What is 10p + 32
Use the GCF to FACTOR: 4d + 40
4 (d + 10 )
Money has ____ places after the decimal
2
Like or UNLike 3ab + 2ab
Like Terms
a letter of the alphabet, used to represent a quantity that can change.
What is a variable?
m + 2n + 5m + 6n
What is 6m + 8n
To double something is to
multiply by 2
Like or UNLike 10x2 + 4x3
UNLike Terms
The exponent is different!