Answer:
Slope = 4.5
Step-by-step explanation:
We need to find the slope of a line through the points (0,0) and (2, 9).
We know that, the slope of a line is given by :
We have, x₁ = 0, x₂ = 2, y₁ = 0 and y₂ = 9
Put all the values,
So, the slope of the line is 4.5.