How many times the graph of a polynomials crosses x -axis if the polynomial has 3 different real zeroes ?
Solution:
if the polynomial has 3 different real roots, then the graph of the polynomial will cross the x axis three times, since for zeroes, f(x)=0 i.e y=0
if the polynomial has 3 different real roots, then the graph of the polynomial will cross the x axis three times, since for zeroes, f(x)=0 i.e y=0