What is the word of each definition?1: a value of the independent variable in a function that results in a value of zero for the dependent variable2: an x-value where the polynomial function intersects the x-axis; the x-values where f(x) =0 3: to break up a polynomial into a product of polynomials that can be multiplied to get the original polynomial4: the property stating that if a product is equal to zero, then at least one of the factors must be zero​