Algebraic expressions Flashcards
What is a constant?
A symbol which has a fixed value
What is a variable?
It is a symbol which doesn’t have a fixed value. Variable+Constant = Constant
What is a term?
It is a combo of numbers and variables seperated by + and -.
Name of Number of terms
Monomial = 1 term
Binomial = 2
Trinomial = 3 terms
Polynomial = more than one term
What is the degree of a polynomial?
It is the highest power of the variable or highest sum of powers in a term.
Linear polynomial = 1 degree
Quadratic polynomial = 2
Cubic polynomial = 3
Constant polynomial = 0
What is a coefficient
Any factor of an alegebric quantity is called the coefficient of the remaining quantity. Ex: 7 in 7xyz
Polynomials
5x+7/x isn’t a polynomial as 7/x is 7^-x and isn’t a positive integer.