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(-3,5) = x, y
5 = a × (-3)^ - 1
5 = 9a - 1
- 9a = -1 - 5
- 9a = -6 ÷ -9
a = 6/9 = 2/3
Odp.
Wspólczynnik a wynosi 2/3.
P))-3;5)
5=a×(-3)²-1
5=9a-1
5+1=9a
a=6:9
a=⅔
współczynnik a =⅔