The figure shows a line graph and two shaded triangles that are similar:
Which statement about the slope of the line is true?
A-It is 3 throughout the line
B-It is 1/3 throughout the line
C- The slope from point O to point A is fraction 1/3 time the slope of the line from point A to point B
D-The slope from point O to point A is 3 times the slope of the line from point A to point B.
