If the point A (x, 2) B(-3,-4) C(7,-5) r collinear, then find the value of x
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Answer:A(x,2) B(-3,-4) C(7,-5)
Step-by-step explanation:
By using Area of triangle formula
0=1/2[X(-4-(-5)+(-3)(-5-2)+7(2-(-4))
0=1/2[X(1)+(-3)(-7)+7(6)
0=1/2[X+21+42]
0=[X+63]
0=X+63
-63=X
Therefore The value of X=-63
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