December 2018 1 139 Report
Jika persamaan kuadrat x² + (m-2)x + 2m-4 = 0 mempunyai dua akar riil yang berbeda, maka batas nilai m yang memenuhi adalah...
a. m ≤ 2 atau m ≥ 10
b. m ≤ -10 atau m ≥ -2
c. m < 2 atau m > 10
d. 2 < m < 10
e. -10 < m ≤ -2
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