It is given that the equation of a straight line which passes through point \( (0,-4) \) is \( y=-\frac{1}{2} x+c \). Find the point of intersection of the straight line and the \( x \)-axis. A \( (-8,0) \) B \( (-2,0) \) C \( (2,0) \) D \( (8,0) \)

Hallar el factor integrante de la siguiente ecuación dy \( \operatorname{sen}(\sqrt{b y})+(5 \cdot d x \cdot y-4 \cdot d y \cdot x)=0 \) Factorintegrante \( =\sqrt{1 y^{*} \cdot 5} \)

2. Запиши в алфавитном порядке фамитии: 1) поатов и писателей: Пушкин, Толстой, Житков, Фет, Бианни, чару шин. Есенин, Михалков, Заходер;

\begin{tabular}{l} estion 8 \\ hich objects are made of a material that is a good conductor of \\ ectrical and thermal conductivity? \\ A iron \\ B paper \\ C plastic \\ D rubber \\ \hline\end{tabular}

Factorise completely. \[ 8 g^{2}-4 g \]

In the \( x y \)-plane, the \( x \)-axis contains all ordered pairs such that: A. the \( y \)-coordinate is 0 . B. the \( x \) and \( y \)-coordinates are 0 . C-coordinate is 0 .