Rico thinks it's a perfect square triinomiall. Teresa says it's the difference of two squares. Who is correct. -9x2-30x-25

This question awards 100 ! i really don’t want to fail i will also mark you !

How do you determine whether a relationship represented as as graph is linear or nonlinear

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4