Jawaban: 2y + 2 = -7/4(x – 7) → 8y + 8 = -7 (x – 7 → 8y = -7x + 49 – 8 →y = -7/8x + 41/8 → y = mx + c.
m1 = -7/8, m2 = 8/7.
Jika melalui (-2, -3) maka y = m(x – x1) + y1 → y = 8/7(x + 2) – 3 → y = 8/7x + 16/7 – 3 → 7y = 8x + 16 – 21 → 7y = 8x – 5.
Simak kunci jawaban selengkapnya dengan klik disini.***