The focus for a quadratic function is (5,-2). The directrix is y=-6
What is the vertex?
I need help on focuses and directrix..

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag