Mathematics, 08.07.2019 05:00, brcribb

Kis a nonzero integer and the graph of a parabola "y = x² + 2kx + 4k" is tangent to the x-axis. what is the value of "k"? (a) - 4 (b) 0 (c) 2 (d) 4

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Kis a nonzero integer and the graph of a parabola "y = x² + 2kx + 4k" is tangent to the x-axis. what...