Odpowiedź:
y = 2 x² + 3 x - 9
a = 2 b = 3 c = - 9
Δ = b² - 4 a*c = 3² - 4*2*(- 9) = 9 + 72 = 81
√Δ = 9
[tex]x_1 = \frac{- 3 - 9}{2*2} = \frac{-12}{4} = - 3[/tex] [tex]x_2[/tex] = [tex]\frac{- 3 + 9}{2*2} = \frac{6}{4} = 1,5[/tex]
y = a*( [tex]x - x_1)*(x - x_2) = 2*(x + 3)*( x - 1,5)[/tex]
=========================================
Szczegółowe wyjaśnienie:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
y = 2 x² + 3 x - 9
a = 2 b = 3 c = - 9
Δ = b² - 4 a*c = 3² - 4*2*(- 9) = 9 + 72 = 81
√Δ = 9
[tex]x_1 = \frac{- 3 - 9}{2*2} = \frac{-12}{4} = - 3[/tex] [tex]x_2[/tex] = [tex]\frac{- 3 + 9}{2*2} = \frac{6}{4} = 1,5[/tex]
y = a*( [tex]x - x_1)*(x - x_2) = 2*(x + 3)*( x - 1,5)[/tex]
=========================================
Szczegółowe wyjaśnienie: