Page 46 - E-MODUL PERSAMAAN KUADRAT KELAS 9

E-MODUL MATEMATIKA

2
+ 5 − 24 = 0 → = 1 = 5 = −24

2 5 2 25
( ) = ( ) =
2 2.1 4

2
+ 5 = 24

25 25
2
+ 5 + = 24 +
4 4
25 121
2
+ 5 + =
4 4

5 2 121
( + ) =
2 4

5 11
+ = ±
2 2

5 11
= − ±
2 2

= − + =

= − − = −

5
3
2
d. − + = 0
2 2
5 3
→ = 1 = − =
2 2
5 2
2 − 2 25
( ) = ( ) =
2 2.1 16

5 3
2
− + = 0
2 2
5 5 2 3 5 2
2
− + (− ) = − + (− )
2 4 2 4

E-Modul Persamaan dan Fungsi Kuadrat Kelas IX 40