\[\boxed{\text{109\ (109).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\ y = 10x^{2} + 5\]
\[В\ І\ и\ ІІ\ четвертях.\]
\[\textbf{б)}\ y = - 7x^{2} - 3\]
\[В\ ІІІ\ и\ \text{IV}\ четвертях.\]
\[\textbf{в)}\ y = - 6x^{2} + 8\]
\[Во\ всех\ четвертях.\]
\[\textbf{г)}\ y = (x - 4)^{2}\]
\[В\ І\ и\ ІІ\ четвертях.\]
\[\textbf{д)}\ y = - (x - 8)^{2}\]
\[В\ ІІІ\ и\ \text{IV}\ четвертях.\]
\[\textbf{е)}\ y = - 3 \cdot (x + 5)^{2}\]
\[В\ ІІІ\ и\ \text{IV}\ четвертях.\]