1. Which of the following is not a true statement about proportional graphs?
A. A proportional graph will pass through the origirl
B. A proportional graph will be a straight line.
C. A proportional graph will always have a positive slope.
D. A proportional graph will have a constant rate of
change.

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Construct the graph that models the given situation