HELP ASAP this is egit due today

Given this information, which expression must represent the value of b?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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