Jawaban:
289
Penjelasan dengan langkah-langkah:
Diskriminan : b² - 4ac
Diketahui :
a = 2
b = -7
c = -30
Dimasukkan ke persamaan sehingga menjadi
7² - 4 × 2 × (-30)
= 49 - (-240)
= 49 + 240
= 289 (B)
1.
2x^2 - 7x - 30 = 0
a = 2 | b = -7 | c = -30
D = b^2 - 4.a.c
= -7^2 - 4.2.-30
= 289 (B.)
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Jawaban:
289
Penjelasan dengan langkah-langkah:
Diskriminan : b² - 4ac
Diketahui :
a = 2
b = -7
c = -30
Dimasukkan ke persamaan sehingga menjadi
7² - 4 × 2 × (-30)
= 49 - (-240)
= 49 + 240
= 289 (B)
1.
2x^2 - 7x - 30 = 0
a = 2 | b = -7 | c = -30
D = b^2 - 4.a.c
= -7^2 - 4.2.-30
= 49 + 240
= 289 (B.)