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23-01-2018
Mathematics

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Find the values of k so that the slope of he line joining (5,k) and (6,k^2) is 30.

Find the values of k so that the slope of he line joining 5k and 6k2 is 30 class=

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ychsiao677p2uoez ychsiao677p2uoez

23-01-2018

[tex] \frac{{k }^{2} - k }{6 - 5} = 30[/tex]
[tex] {k}^{2} - k = 30[/tex]
[tex] {k}^{2} - k - 30 = 0[/tex]
[tex](k - 6)(k + 5) = 0[/tex]
[tex]k = 6 \: or - 5[/tex]

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