What is t=25c=15 plz help

When only separate discreet points are graphed it is called?

What is the slope of the line that contains the points (-2,1) and (0,-3)

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !