Page 14 - E-Modul Fungsi Kuadrat

7
2
+ = −3
2

2 7 2
7
7
2
x + x + ( ) = −3 + ( )
2 2(2) 2(2)
2
2
7
7
7
x + x + ( ) = −3 + ( )
2
2 4 4
7 2 49
(x + ) = −3 +
4 16

2 1
7
(x + ) =
4 16

1
7
( + ) = ±√
4 16

Jadi

7
1
x + =
4 4

6
1
3
7
x = − = − = −
4 4 4 2
atau

7
1
x + = −
4 4

7
1
8
x = − − = − = −2
4 4 4
3
HP : {−2, − }
2

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