I take the points that you gave. Let named A(0,-3) and B(2,1)
The slope coefficient is S= (yb-ya)/(xb-xa)
S= (1-(-3))/(2-0) => S= (1+3)/2 = 4/2= +2 => S= +2
The correct answer is positive slope
Good luck!!!
6n^2-18n
1.find your GCF
"6n"
final answer;
6n(n-3)