Составить программу исследования квадратного уравнения.​

Program n1;
Uses Crt;
Var
c: array[1..1000] of integer;
n, i, null, otric, polozhit :integer;
Begin
   writeln('Razmer massiva = '); Readln(n);

for i:=1 to n do begin
   c[i]:=random(40) - 20;
   write(c[i]:4);
end;

    writeln();

otric:=0; polozhit:=0; null:=0;
for i:=1 to n do  begin
   if (c[i]<0) then otric:=otric+1;
   if (c[i]>0) then polozhit:=polozhit+1;
   if (c[i]=0) then null:=null+1;
end;
   writeln('Kol-vo chisel < 0: ', otric);
   writeln('Kol-vo chisel > 0: ', polozhit);
   writeln('Kol-vo chisel = 0: ', null);
End.

Type  mas = array[1..8] of integer;
var
  A, F, Q: mas;
  C:array[1..8] of real;
  i: integer;
function M(x,y:real):real;
begin
Result:=(x*x+y*x)/2+sin(x*y)
end;
begin 
clrscr; 
writeln('Массив первый:'); 
for i := 1 to 8 do
  begin
    A[i] := random(10);
    write(A[i]:4);
  end; 
writeln; 
writeln('Массив второй :'); 
for i := 1 to 8 do
  begin
    F[i] := random(10) ;
    write(F[i]:4);
  end; 
writeln; 
writeln('Массив третий :'); 
for i := 1 to 8 do
  begin
    Q[i] := random(10);
    write(Q[i]:4);
  end;
writeln; 
writeln('Массив четвертый:'); 
for i := 1 to 8 do
  begin
    C[i] := M(A[i],F[i])+M(Q[i],F[i])+M(A[i],Q[i]);
    write(C[i]:6:1);
  end; 
writeln;
end.