What are the zeros of the quadratic function f(x)=6x^2-24x+1

Is it true or false i’m trying to pass this test so i can leave school

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

If wxyz is a square, which statements must be true? plz < 3