Page 39 - MODUL ELEKTRONIK MAATEMATIKA

E-MODUL MATEMATIKA

( + 4)( − 4) = 0

+ 4 = 0 → = −4
− 4 = 0 → = 4
HP: {− , }

2
ii. − 3 = 0
= = = −
( + √3)( − √3) = 0

+ √3 = 0 → = −√3

− √3 = 0 → = √3
HP: {−√ , √ }

2
iii. − 5 = 0
= = − =
( − 5) = 0
= 0

− 5 = 0 → = 5
HP: { , }

iv. 4 − 16 = 0
2
= = − =

4 ( − 4) = 0
4 = 0 → = 0

− 4 = 0 → = 4
HP: { , }

v. − 2 − 24 = 0
2
= = = −
( − 6)( + 4) = 0
− 6 = 0 → = 6

+ 4 = 0 → = −4
HP: {− , }

2
vi. 3 − − 10 = 0
= = − = −

× = 3 × (−10) = −30

33
E-Modul Persamaan dan Fungsi Kuadrat Kelas IX