Idon't get math very much so plz me

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph.