Question

if the points A(0,1) B(K,3) and C(3,4) are collinear find the value of k

Answer 1

Answer:

3

Step-by-step explanation:

x1=0,

x2=k

x3=3

y1=1

y2=3

y3=4

formula:-

1/2[x1(y2-y1)+x2(y3-y1)+x3(y1-y2)]

1/2[0+4k-k+3-9]

1/2[4k-k-6]

1/2(3k-6)

1/2(k-3)

2k-6

k=3