(05.02 MC) The figure shows a line graph and two shaded triangles that are similar: (look at picture) Which statement about the slope of the line is true? 1.) It is 1/2 throughout the line. 2.) It is 2 throughout the line. 3.) The slope from point O to point A is 1/2 time the slope of the line from point A to point B. 4.) The slope from point O to point A is two times the slope of the line from point A to point B.