Is the trinomial, x^2+10x-25, a perfect square trinomial? If not then explain.

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

Can someone me out here number 4 plz

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis