a)
y=x²+5x-3
a=1
b=5
c=-3
Δ=b²-4ac=5²-4·1·(-3)=25-(-12)=25+12=37
b)
y=-x²-7x
a=-1
b=-7
c=0
Δ=b²-4ac=(-7)²-4·(-1)·0=49
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
y=x²+5x-3
a=1
b=5
c=-3
Δ=b²-4ac=5²-4·1·(-3)=25-(-12)=25+12=37
b)
y=-x²-7x
a=-1
b=-7
c=0
Δ=b²-4ac=(-7)²-4·(-1)·0=49