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One of the roots of equation 5m^2 + 2m + k = 0 is -7/5

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One of the roots of equation 5m2 + 2m + k = 0 is -7/5 Complete the following activity to find the value of ‘k’.

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-7/5 is a root of quadratic equation 5m2 + 2m + k = 0.

\(\therefore\) k = -7

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