The figure below shows a line graph and two shaded triangles that are similar:
LOOK AT PICTURE DOWN BELOW
Which statement about the slope of the line is true?
A: It is −2 throughout the line.
B: It is fraction negative 1 over 2 throughout the line.
C: The slope from point O to point A is fraction 1 over 2 times the slope of the line from point A to point B.
D: The slope from point O to point A is two times the slope of the line from point A to point B.