October 2018 2 12 Report

1 . wartość wyrażenia 5x ^2 - 4x dla x = 2 wynosi :

a) 12 b) 32 c) 92 d) 192

2. Jednomianem jest wyrażenie :

a) 7 + yx b) 5a c) 8a^2 - 3 d) 8(a+b)

Ps ... ^2 _ to jest potęga .


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