Question

find the slope of a line which passes through the points (3,4)and (8 -1)​

Answer 1

Answer:

slope of the line = y2-y1 / x2-x1

X1= 3, Y1= 4, X2= 8, Y2= -1

m= -1-4/ 8-3

m= -5/5

m= -1

Answer 2

The slope of a line which passes through the points (3,4) and (8, -1) is - 1

Given :

The points (3,4) and (8, -1)

To find :

The slope of the line

Concept :

For the given two points $\sf{A( x_1 , y_1) \: \: and \: \: B( x_2 , y_2)}$

The slope of the line AB is

$\displaystyle \sf{ = \frac{y_2 - y_1}{x_2 - x_1} }$

Solution :

Step 1 of 2 :

Write down the given points

The given points are (3,4) and (8, -1)

Step 2 of 2 :

Find slope of the line

The slope of the

$\displaystyle \sf{ = \frac{4 - ( - 1)}{3 - 8} }$

$\displaystyle \sf{ = \frac{4 + 1}{3 - 8} }$

$\displaystyle \sf{ = \frac{5}{ - 5} }$

$\displaystyle \sf{ = - 1}$

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