I didn’t get taught his so I need help

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.