Question

Find the value of the points (a,0),(1,-1),(11,5) aee collinear

Answer 1

Answer:

a = 8/3

Step-by-step explanation:

A ( a,0 )

B ( 1,-1 )

C ( 11,5 )

since they are collinear

area = 0

0 = 1/2 { a (-1-5) + 1 (5-0) + 11 (0-(-1)) }

0 = 1/2 { -6a + 5 + 11 (0+1) }

0 = 1/2 { -6a + 5 + 11 }

0 = 1/2 { -6a + 16 }

0 = (-6a + 16) / 2

0 = -6a + 16

a = -16 / -6

a = 8/3

Answer 2

As they're collinear area of triangle=0

1/2[a(-6)+1(5)+11(1)]=0

-6a+5+11=0

a=-16/-6=8/3

#BAL #answerwithquality