Draw a sketch of the graph of the equation y=x24\displaystyle {y}={x}^{{2}}-{4}, on a piece of paper. Then answer the following questions. Note: For the intercepts, write the answer as an ordered pair or a list of ordered pairs separated by commas. If an intercept does not exist, enter DNE\displaystyle {D}{N}{E}.

Horizontal-intercepts:

Vertical-intercept:

Is the graph symmetric with respect to the horizontal-axis?

Is the graph symmetric with respect to the vertical-axis?

Is the graph symmetric with respect to the origin?