use distance formula to show that the points A(-2,3) B(1,2) and (7,0) are collinear
Answers
Answered by
1
Step-by-step explanation:
Using distance formula,
D=
(x
2
−x
1
)
2
+(y
2
−y
1
)
2
AB=
(1+2)
2
+(2−3)
2
=
9+1
=
10
BC=
(7−1)
2
+(0−2)
2
=
36+4
=
40
=2
10
CA=
(7+2)
2
+(0−3)
2
=
81+9
=
90
=3
10
Thus, AC=AB+BC from above
Hence, A,B,C are collinear
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Answered by
7
Answer:
noun
(in science fiction) travel through time into the past or the future.
verb
travel through time into the past or the future.
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