krzywej

In a sentence

• Krzywej linii nie da się łatwo wyprostować.

  A curved line cannot be easily straightened.

  In this sentence, 'krzywej' is the genitive case of the adjective 'krzywa', agreeing with the noun 'linii'. It describes the attribute of the line being curved.

• Podczas jazdy samochodem należy uważać na ostrość krzywej.

  While driving, one should be cautious of the sharpness of the curve.

  Here, 'krzywej' is used in the genitive case to indicate possession, showing that the 'ostrość' (sharpness) refers to the 'krzywej' (curve).

• Sporządziłem wykresy dla każdej krzywej w tabeli.

  I prepared graphs for each curve in the table.

  In this sentence, 'krzywej' is in the locative case, denoting the location or context within which the graphs are prepared.