Question

Two points on a line are chosen to find the slope. The rise is 9 and the run is 21. What is the slope of the line?

3/7
1/3
3
3/4

Answer 1

3/7

3/7=9/21

9÷3/21÷3=3/7

Answer 2

$\frac{rise}{run} = \frac{9}{21} = \frac{3}{7}$ (reduced the fraction by dividing by 3)

Answer: A