Which graph could represent y, the amount owed on a car loan, as regular payments are made each month, x? a graph shows the number of car payments paid on the horizontal axis and amount owed on the vertical axis. the line goes straight up from the x-axis. a graph titled car loan shows the number of car payments paid on the horizontal axis and the amount owed on the vertical axis. the line starts high on the vertical axis and decreases as it goes along the horizontal axis. a graph titled car loan shows the number of car payments paid on the horizontal axis and the amount owed on the vertical axis. the line starts in the middle on the vertical axis and increases as it goes along the horizontal axis. a graph titled car loan shows the number of car payments paid on the horizontal axis and the amount owed on the vertical axis. the line starts high on the vertical axis and extends in a straight line along the horizontal axis.