Question

if the three points (-2,5)(6,-1) and (2,K) are collinear. find the value of k​

Answer 1

Answer:

K=2

Step-by-step explanation:

A=(-2,5)

B=(6,-1)

C=(2,k)

Three points are said to be collinear if their slopes are equal

slope of AB=slope of BC

6--2÷-1-5=2-6÷k+1

8/-6=-4/k+1

k+1=3

k=2

Answer 2

Answer:

dear listen

Step-by-step explanation:

notes:

use slope formula ma

the are collinear so no slope difference

they are in straight line,clear da

equalize equate two slopes taken in order with one side known

other side unknown

sum:

x2-x1 /y2-y1=x3-x2/y3-y2

this is mobile so adjust with those symbols

6+2/-1-5 = 2-6/k+1

7/-7= -4/k+1

1/-1 = -4/k+1

k+1 = 4

k=3

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