Oblicz Deltę
-3x²-x-2<0x²+x+3<09x²+6x+1<0x²-8x+16>0
-3x²-x-2<0
Δ=b²-4ac=1-4*(-3)*(-2)=1-24=-23
x²+x+3<0
Δ=b²-4ac=1-4*1*3=-11
9x²+6x+1<0
Δ=b²-4ac=36-4*9*1=0
x²-8x+16>0
Δ=b²-4ac=64-4*1*16=0
A
delta=1-4*(-3)*(-2)=1-24= -23
B
delta=1-4*1*3=1-12= -11
C
delta=36-4*9*1=0
D
delta=64-4*1*16=0
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-3x²-x-2<0
Δ=b²-4ac=1-4*(-3)*(-2)=1-24=-23
x²+x+3<0
Δ=b²-4ac=1-4*1*3=-11
9x²+6x+1<0
Δ=b²-4ac=36-4*9*1=0
x²-8x+16>0
Δ=b²-4ac=64-4*1*16=0
A
-3x²-x-2<0
delta=1-4*(-3)*(-2)=1-24= -23
B
x²+x+3<0
delta=1-4*1*3=1-12= -11
C
9x²+6x+1<0
delta=36-4*9*1=0
D
x²-8x+16>0
delta=64-4*1*16=0