Which of the following data could be graphed using a dot plot? Select all that apply:
a) Time taken to complete a test
b) Favorite pet
c) Zip code
d) Number of cars in a household
e) Number of siblings
f) Distance driven to school

use a calculator or a graph

if your equation is in the form ax2 + bx + c, you can find the maximum by using the equation:

max = c - (b2 / 4a).

the first step is to determine whether your equation gives a maximum or minimum.

-x2 + 4x - 2.     thats an example hope it