October 2018 1 45 Report

1.Przedstaw trójmmian kwadratowy w postaci iloczynowej,jeżeli jest to możliwe.
a) y=x^{2} - 6x - 7

b) y= x^{2} - 4x - 5

c) y= - x^{2} + 3x - 6

d) y= 2 x^{2} - 5x - 3

e) y= 3 x^{2} + 11x - 4

f) y= \frac{1}{4} x^{2} 2x + 4

g) y= x^{2} - 3x - 3

h) y= - 2 x^{2} + x - 2

2.Rozłóż na czynniki.
a) 3 x^{2} + x

b) \frac{1}{3} x^{2} - \frac{1}{9} x

c) 9 x^{2} - 25

d) 16 x^{2} - \frac{81}{4}

e) x^{2} - 2
f) 2 x^{2} - 9

g) - 4 x^{2} + 36
h) - 64 x^{2} + 0,25


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