Jawaban:
diskriminan = b² - 4ac
= 5² - 4(1)(-24)
= 121
x²+5x-24 = 0
(x+8)(x-3) = 0
x1 = 3
x2 = -8
x1 - x2 = 3-(-8)
= 11
maka (1) salah
(2) benar
(3) salah
(4) benar
jawaban D
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Jawaban:
diskriminan = b² - 4ac
= 5² - 4(1)(-24)
= 121
x²+5x-24 = 0
(x+8)(x-3) = 0
x1 = 3
x2 = -8
x1 - x2 = 3-(-8)
= 11
maka (1) salah
(2) benar
(3) salah
(4) benar
jawaban D