Question

What is the common ratio in the sequence -6, 3, -3/2, 3/4....?


2


-2


1/2


-1/2

2. Which of the following can be used to tell if a graph represents a function?

The Horizontal Line Test

The Right Hand Rule

The Graph Test

The Vertical Line Test

Answer 1

from -6 to 3 you multiply by -1/2
from 3 to -3/2 you multiply by -1/2
...

Answer 2

and the vertical line test shows you if a specific value of x gives you more than one unique value of y, if so it is not a function