Question

if the point A(x,2),B(-3,-4),C(7,-5) are collinear, then the value of x is​

Answer 1

Answer:

Step-by-step explanation:

eqn of a line passing through two points is( y+4) =-5 +4/7+3 (x+3)    , 10 (y+4)=-(x+3)   ,this line also passes through the point (x,2) because they are collinear then it will satisfied it   ,10 (2+4) = -(x+3)    ,  60 =-(x+3)   ,    x =  -63

Answer 2

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