I need help on assignments for 7th grade math If you can please.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

If the discriminant if a quadratic equation is 4 which statement describes the roots?