Is each expression less than, equal to, or greater than \dfrac{12}{8}?
8
12

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.)

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x