Which of the following could be the equation of the line represented in the graph above?

Which of the following could be the equation of the graph above?

Which of the following could be the equation of the graph above?

Which of the following could be an equation of the circle above?

Which of the following could be the equation of the graph in the xy-plane shown above?

The graphe above depicts a staight line. Which of the following options could be the correct equation of the line shown?

Which function could represents the graph above?

What is represented by the above graph?

The graph shows a parabola that is symmetric about the x-axis. Which one of the following could be the equation of the graph?

Which of the following equation does not represent a pair of lines ?