write the equation of a line perpendicular to y=2x-5 that passes through the point (-2,5)

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write the equation of a line perpendicular to y=2x-5 that passes through the point (-2,5)

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Khánh Gia 6 months 2021-08-09T11:38:55+00:00 1 Answers 1 views 0

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    2021-08-09T11:40:29+00:00

    y = mx + b




    The product of slopes of perpendicular lines is -1.  The slope of the given line is 2, so the slope of the perpendicular line is -1/2.




    y = (-1/2)x + b




    Now use the given point to find b and finish from here.




    -5 = (-1/2)(2) + b




    b = ?

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