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-14
k=thousand so 14 thousand or 14000
If: k/14 + 9 = 13 Then: k = 56
It is any fraction of the form (7*k)/(14*k) where k is a non-zero integer.
If: y = x^2 -8x +7 and y = kx -2 Then: X^2 -8x +7 = kx -2 Transposing terms: x^2 +(-8x -kx) +9 = 0 Using the discriminant: (-8 -k)^2 -4(1*9) = 0 Expanding brackets: 64 +16k +k^2 -36 = 0 Collecting like terms: k^2 +16k +28 = 0 Factorizing the above: (k +2)(k +14) = 0 meaning k = -2 or -14 Therefore the possible values of k are: -2 or -14