What is the slope of a line that passes through (-1, 8) and (-1, -7)?

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What is the slope of a line that passes through (-1, 8) and (-1, -7)?

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Tài Đức 4 years 2021-09-04T17:51:04+00:00 1 Answers 12 views 0

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  1. binhan
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    2021-09-04T17:52:55+00:00
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    y2-y1/x2-x1. so -7-8/-1-(-1)= -15/1

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )