Project ID:
6000000002
Accepted:
Type:
Layout:
Question:
Match the following graphs of functions with their equations.
Question 1:
\graf{abs(-\x)}
Question 1 Image:
Answer 1:
$y=|-x|$
Question 2:
\graf{-abs(\x)}
Question 2 Image:
Answer 2:
$y=-|x|$
Question 3:
\graf{2*abs(\x)}
Question 3 Image:
Answer 3:
$y=2|x|$
Question 4:
\graf{1/2*abs(\x)}
Question 4 Image:
Answer 4:
$y=\frac 12|x|$
Question 5:
\graf{abs(\x)+2}
Question 5 Image:
Answer 5:
$y=|x|+2$
Question 6:
\graf{abs(\x+2)}
Question 6 Image:
Answer 6:
$y=|x+2|$
Answer 7:
$y=|x-2|$
Answer 8:
$y=|x|-2$
Tex:
% http://math4u.vsb.cz/sk/node/32662
\NastavOD{4}
\newcommand\graf[2][-5.5,5.5,-3.5,5.5]
{ % nepoviny parametr jsou meze pro kresleni, povinny parametr je funkcni predps
\obrMsr{#1}[5cm,5cm]{
{\obrClip
\draw[help lines, step = 1] (-8,-8) grid (8.5,8.5);
}
\obrOsy
\obrClip
%\obrFce[very thick,domain=-8:8]{#2}
\def\x{-5}\pgfmathsetmacro{\A}{#2}
\def\x{-2}\pgfmathsetmacro{\B}{#2}
\def\x{0}\pgfmathsetmacro{\C}{#2}
\def\x{5}\pgfmathsetmacro{\D}{#2}
\draw[red, very thick] (-5,\A)--(-2,\B)--(0,\C)--(5,\D);
\obrZnackyX{-5,...,5}
\obrZnackyY{-5,...,5}
\footnotesize
\obrPopisX{-2,-1,-3,-4,-5,1,2,3,4,5}
\obrPopisY[left,yshift=-3pt]{-2,-1,-3,1,2,3,4,5}
}
}