Maths-
General
Easy
Question
The Points (2.1, - 4.2) and (2.5, - 5) form a proportional relationship. What is the slope of the line that passes through these two points?
Hint:
Hint:
The slope is the measure of the steepness of a line. It is the ratio of the vertical distance to the horizontal distance between two points on the line. In proportional relationships, the slope is the same as the unit rate and constant of proportionality. In the x - y coordinate plane, the slope of a line is given as
Slope = 
The correct answer is: - 2
Given: Coordinate of point A: (2.1, - 4.2) and Coordinate of point B: (2.5, - 5)
So, the slope of line AB can given as
Slope of line AB = 
Slope of line AB = 
Slope of line AB = - 2
Final Answer: Hence, the slope of the line passing through (2.1, - 4.2) and (2.5, - 5) is - 2.
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