Matematika

Pertanyaan

Tntukan gradien dari persamaan gaaris berikut
a.2x+3y-6=0
b.-4x+5y=10
c.x-2y-3=0
d.2/3x+1/3y+5=0
e.-4/5x+2/3y=5/7

1 Jawaban

  • a) 2x + 3y - 6 = 0
    3y = - 2x + 6
    y = - ⅔x + 2
    m = - ⅔

    b) - 4x + 5y = 10
    5y = 4x + 10
    y = 4/5 x + 2
    m = 4/5

    c) x - 2y - 3 = 0
    - 2y = - x + 3
    y = ½ x - 3/2
    m = ½

    d) ⅔x + ⅓y + 5 = 0
    ⅓y = - ⅔x - 5
    y = - 6/9x - 15
    m = - 6/9

    e) - 4/5 x + 2/3 y = 5/7
    2/3 y = 4/5 x + 5/7
    y = 12/10 x + 15/14
    m = 12/10

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