Can someone please help me with this

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)