Oblicz deltę:
y = \frac{1}{2} x^{2} - 3x + 4\frac{1}{2}[/tex]
delta = b^2 - 4 * a * c
delta = 9 -4 * 1/2 * 9/2
delta = 9 -9
delta = 0
a=1/2 b=-3 c=4 1/2
Δ=b²-4ac= (-3)² -4*1/2 *4 1/2 =
=9 - 2*4,5 =9-9=0
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delta = b^2 - 4 * a * c
delta = 9 -4 * 1/2 * 9/2
delta = 9 -9
delta = 0
a=1/2 b=-3 c=4 1/2
Δ=b²-4ac= (-3)² -4*1/2 *4 1/2 =
=9 - 2*4,5 =9-9=0