Question

Here is a table of values. The two quantities, x and y, are related.

What are some strategies you could use to find a relationship
between x and y?

Brainstorm as many ways as possible.

Answer 1

You could graph the points and recognize that it's a quadratic equation.

If you solve for the equation, it is clear that this table follows the relation:

`f(x)=x^2-1`.

Explanation:

The picture attached shows the graph.