Please answer correctly and answer all questions I will give a heart please

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

This question awards 100 ! i really don’t want to fail i will also mark you !