1. PERSAMAAN LINEAR DAN KUADRAT
Oleh :
1. Indrianti Rusmana
2. Yuyun Uswatun
3. Sutihat
4. Sadam
5. Sandi

2. x2 – ( 3 – 2x ) = 5
x2 – 3 + 2y = 5
x2 + ay – 3 – 5 = 0
x2 + 2y – 8 = 0
( x + 4 ) ( x – 2 )
x2 + 4 = 0
x = -4
x – 2 = 0
x = 2

3. D = b2 – 4 . a . c
= 22 – 4 . 1 . -8
= 4 + 32
= 36
D > 0 = 2 Penyelesaian
Substitusi ke pers. Linear
b = 3 – 2x
y = 3 – 2 . -4
= 3 + 8
= 11
( -4, 11 )

4. y = 3 – 2 . 2
= 3 – 4
= -1
( 2, -1 )
Jadi Hp = { ( -4, 11 ), ( 2, -1 ) }