in this photograph different types of graphs are displayed and what happens when we add a positive term and in other cases when we add a negative term.
when you put on the chart a positive number, it moves on the "X" increasing its value. when we put a negative number in contrast to a positive number when you put the graph shakes on "X".
when you put on the chart a positive number, it moves on the "X" increasing its value. when we put a negative number in contrast to a positive number when you put the graph shakes on "X".