October 2018 1 15 Report

III. Równania kwadratowe 1. Jeżeli pierwiastkami równania x2 + bx +c = 0 są liczby -5 i 3, to:

a. b = -5, c = 3

b. b = -2, c = 15 c. b = 3,

c = -5 d. b = 2, c = -15

2. Rozwiąż równania:

a. -2x2 = 0

b. 4x2 = -8x

c. -2x2 + 8 = 0

d. 3x2 +27 = 0

e. 36x2 -12x + 1 =0

Witam! Jeśli ktoś byłby życzliwy prosiłbym o pomoc :)


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