Question

7. Persamaan sumbu simetri grafik fungsi kuadrat y = -2x² + 4x - 1 adalah...​

Answer 1

Verified answer

Jawaban:

x = 1

Penjelasan dengan langkah-langkah:

y = -2x² + 4x - 1

a= -2

b= 4

c= -1

sumbu simetri = x

= -b/2a

= -4/-4

= 1