- By completing the square, find in terms of k the roots of the equation. x^2+2kx-5k=0?

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Does Spin of particles change? Which form of balance sheet presents vertically all elements ? Audio system produces intensity of 100 dB & another audio system produces intensity of 103dB. Calculate intensity ratio of two audio systems? I live in goosecreek road ,in Fayetteville , Arkansas is that an earthquake zone? Find a. the number of lines of symmetry of the diagram, b. the order of rotational symmetry of the diagram.?