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8. What are the coordinates of the point(s) of intersection of the line y = -7x - 5and the quadratic function y = -x2 -

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8. What are the coordinates of the point(s) of intersection of the line y = -7x - 5and the quadratic function y = -x2 - 15x + 4? O (9, -58) and (1, 12) O (9, 58) and (-1, -12) O (-9, 58) and (1, -12) O (9, -58) and (1, -12) Prev Questions 9. The cross-section of a tunnel is in the shape of a parabola. The parabolic shape of the tunnel is given by the function y = -7 1x2 + 6x. The width of the tunnel, to the nearest tenths of a metre, at a height of 47.25 m, is m. Your

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