Open Middle®
Directions: Using the integers -9 to 9, at most one time each, place an integer in each box to create a system of equations as well as two solutions that make the system true.
Hint
If we start with the quadratic function, how can we determine some possible integer solutions?
Answer
There are multiple answers. An easy one is y=1x^2-9, y=2x-6, (3,0), (-1,-8)
Source: Cody Pritchard