Question

Answer 1

c, Ta có : \(\dfrac{2}{x}=\dfrac{16}{32}\Rightarrow\dfrac{2}{x}=\dfrac{2}{4}\Rightarrow4\)

\(\dfrac{y}{16}=\dfrac{16}{32}\Leftrightarrow\dfrac{y}{16}=\dfrac{8}{16}\Rightarrow y=8\)

 

Answer 2

d: =>xy=45

\(\Leftrightarrow\left(x,y\right)\in\left\{\left(-45;-1\right);\left(-15;-3\right);\left(-9;-5\right)\right\}\)