Quiz - Universityku

$| : x : + : 10 : | : = : 19 \ x : = : . : : . : : . : : . : : .$
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Note :
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jawab! jangan ngasal

Quiz

Quiz

`Persamaan nilai mutlak

|x + 10| = 19

Jika x ≥ 0

|x + 10| = 19

x + 10 = 19

x = 19 – 10

x = 9

Jika x < 0

|x + 10| = 19

-(x + 10) = 19

-x – 10 = 19

-x = 19 + 10

-x = 29

x = -29

HP{-29, 9}

Jawaban:

Nilai Absolut =

|x + 10| = 19

2 solusi untuk hasil + dan hasil -, sedemikian :

x + 10 = 19

x = 19 – 10

x = 9

x + 10 = -19

x = -19 – 10

x = -29

Nilai x yang memenuhi {(-29,9)}