5 points Two lines are represented by equations: 10x – 15y = 21 and y = kx + 5. What value of k will make lines perpendicular?​

Question

5 points Two lines are represented by equations: 10x – 15y = 21 and y = kx + 5. What value of k will make lines perpendicular?​

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Neala 3 years 2021-07-18T18:43:36+00:00 1 Answers 7 views 0

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  1. diemkieu
    0
    2021-07-18T18:44:40+00:00
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    Answer:

    Step-by-step explanation:

    10x – 15y = 21

    15y = 10x – 21

    y = ⅔x – 7/5

    slope of line is ⅔

    slope of any perpendicular to line is -3/2

    y = kx + k

    slope of line is k

    k = -3/2

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