Question

show the points 1,1 3,-2 and -1,4 are collinear ​

Answer 1

Answer:

• 1
• 1
• 3
• 4

1. -2
2. -4

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Step-by-step explanation:

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Answer 2

hey buddy here is your answer

let the points be A(1,1), B(3,-2), C(-1,4)

so we have to prove that A B and C are co-linear

for that we have to prove that

                       slope of AB=slope of BC

Formula of slope(M)=(y2-y1)/(x2-x1)

               slope of AB=(-2-1)/(3-1)=-3/2

               slope of BC=(4+2)/(-1-3)=6/-4=-3/2

Hence

               here slope of AB=slope of BC

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