Maths-
General
Easy
Question
Bhargavi is looking at a graph that shows a line drawn between two points with a slope of -5. One of the point is smudged and she cannot read it. The point as far as she can tell are (3,5)(X,10). What must the value of X be? Explain.
Hint:
Use the formula of slope.
The correct answer is: 3
It is given that the points (3 , 5) and (x , 10) lie on the graph.
Also, slope of the graph = - 5
We know that slope of a line = 
5 = 
5( x – 3) = 5
x + 3 = 0
3 = x
So, value of x = 3
5( x – 3) = 5x + 3 = 0So, value of x = 3
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