101 Western Dressage Exercises for Horse & Rider (Read & Ride)

101 Western Dressage Exercises for Horse & Rider (Read & Ride)

Matematika nilai diskriminan dari x² - 2x + 9 adalah​

nilai diskriminan dari x² - 2x + 9 adalah​

Diketahui

x² - 2x + 9

a = 1

b = -2

c = 9

Hence,

D = b² - 4ac

D = (-2)² - 4(1)(9)

D = 4 - 36

D = -32

[answer.2.content]