\documentclass{beamer}
\usepackage[utf8]{inputenc}
\usepackage{polski}
\author[Anna Karatkiewicz]{Anna Karatkiewicz}
\title {rysunki}
\date{10.11.2017r}
\usetheme{Warsaw}
\usecolortheme{seahorse}
\useoutertheme{infolines}
\useinnertheme{circles}
\usepackage{tikz}
\usepackage{pgfplots}
\begin{document}
\begin{titlepage}
\end{titlepage}
\begin{frame}{zadanie1}
\begin{figure}
\begin{tikzpicture}
\begin{axis}[
axis x line = center,
axis y line = center,
xtick ={-5 ,-4,...,5},
ytick ={-5 ,-4,...,5},
xlabel ={$x$},
ylabel ={$y$},
xlabel style ={ below right },
ylabel style ={ right },
xmin = -5.5,
xmax =5.5,
ymin = -5.5,
ymax =5.5,
title ={$x^2-2x+3$}
]
\addplot [mark =none , samples =50 ,
olive , line width =3.0 pt]{x*x-2*x+3};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{frame}
\begin{frame}{zadanie2}
\begin{figure}
\begin{tikzpicture}
\begin {axis}
[title ={cos(2x)}]
\addplot [ mark =none , samples =100 ,
magenta , line width =2.0 pt ]{cos(deg(2*x))};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{frame}
\begin{frame}{zadanie3}
\begin{figure}
\begin{tikzpicture}
\begin {axis}
[title ={$sin(\dfrac{x}{2})$}]
\addplot [ mark =none , samples =500 ,
cyan , line width =2.0 pt ]{sin(deg(x/2))};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{frame}
\begin{frame}{zadanie4}
\begin{figure}
\begin{tikzpicture}
\begin{axis}[colorbar, title={$x^2+y^2$}]
\addplot3[surf,domain =0:360,samples =50]{x*x+y*y};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{frame}

\begin{frame}{zadanie5}
\begin{figure}
\begin{tikzpicture}
\begin{axis}[colorbar, title={$x^2-y^2+2xy^2+1$}]
\addplot3[surf,domain =0:360,samples =50]{x*x+y*y-2*x*y*y+1};
\end{axis}
\end{tikzpicture}
\end{figure}
\end{frame}
\end{document}