Given that f(x) = x² + 5x, evaluate f(-2).

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9