Write the coordinates of the vertices after a reflection across the line x=-1

With both problems. a.s.a.p directions on photo ^

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

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.