Topic
Q:
Data la funzione \( f(x)=\sqrt{x+8}-x \), qual è la controimmagine di \( 6 ? \)
Q:
7. Andre incorrectly solved the equation at the right. Identify Andre's
mistake. Then, solve the equation to find the correct solution. \( \begin{array}{c}8 x+2 x(5-10)=110 \\ 10 x(5-10)=110 \\ 50 x-100 x=110 \\ -50 x=110 \\ x=2.2\end{array} \)
Q:
52. Las raices de la ocuación
\( 2 x^{2}+5 x-3=0 \) son
Q:
Divide as indicated.
\( \frac{x^{2}+5 x}{8}+\frac{x+5}{4} \)
\( \frac{x^{2}+5 x}{8}+\frac{x+5}{4}=\square \) (Simplify your answer.)
Q:
Divide and simplify.
\( \frac{y^{2}-81}{y}+\frac{y+9}{y+4} \)
\( \frac{y^{2}-81}{y}+\frac{y+9}{y+4}=\square \)
(Simplify your answer.)
Q:
6) \( y=6 x^{2}-x-1 \)
Q:
Divide as indicated.
\( \frac{6}{x-2}+\frac{18}{4 x-8} \)
\( \frac{6}{x-2}+\frac{18}{4 x-8}=\square \) (Simplify your answer.)
Q:
Divide as indicated.
\[ \frac{6}{x}+\frac{3}{5 x} \]
\( \frac{6}{x} \div \frac{3}{5 x}=\square \) (Simplify your answer. \( ) \)
Q:
Divide as indicated.
\[ \begin{array}{l}\frac{5}{x}+\frac{30}{x} \\ \frac{5}{x}+\frac{30}{x}=\square \text { (Simplify your answer. Type an integer or a simplified fraction.) }\end{array} \]
Q:
Divide as indicated.
\[ \frac{x}{7}+\frac{6}{5} \]
\( \frac{x}{7}+\frac{6}{5}=\square \)
(Simplify your answer. Use integers or fractions for any numbers in the expression.)
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