Question

Jika garis 4x+y=8 sejajar dengan garis 3x-py=0.
Tentukanlah nilai p?

Answer 1

4x + y = 8
<=> y = -4x + 8
Gradien (m1) = -4

3x - py = 0
<=> py = 3x
<=> y = (3/p)x
Gradien(m2) = 3/p

Karena sejajar, maka m1 = m2
m1 = m2
<=> -4 = 3/p
<=> -4p = 3
<=> p = -3/4