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larisakravcenko

Ответ:

Подставим в уравнение y = kx + b  координаты точек A;B:   x = - 2;  4;  y = 0;  6. Получим систему уравнений - 2k + b = 0 и 4k + b = 6 от первого уравнения отнимем второе , получим новое уравнение: - 4k = - 6;  k = 3/2 = 1,5  Ответ: k = 1,5

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