Tema
Q:
Perform the operation(s) and simplify completely.
\( \begin{array}{l}\frac{5\left(x^{2}-4 x+4\right)}{x-2}+(x+1)\left(x^{2}-x+3\right) \\ (1 \text { point) } \\ x^{3}+2 x^{2}+9 x-7 \\ x^{3}+x-13 \\ x^{3}+7 x+13 \\ x^{3}+7 x-7\end{array} \)
Q:
Solve for \( t \).
\[ -11+10 t<9 t-14 \]
Write your answer with \( t \) first, followed by an inequality symbol.
Q:
Solve for \( u \)
\[ 16+6 u \geq 3 u-20 \]
Write your answer with u first, followed by an inequality symbol.
Q:
1. \( k=-3 \) y \( A=\left|\begin{array}{cc}2 & -1 \\ -1 & -5\end{array}\right| \)
2. \( k=2 \) y \( B=\left|\begin{array}{cc}\frac{1}{3} & -3 \\ -1 & \frac{3}{5}\end{array}\right| \)
3. \( k=\frac{3}{2} \) y \( C=\left|\begin{array}{cc}-2 & 7 \\ 3 & 2\end{array}\right| \)
4. \( A=\left|\begin{array}{cc}2 & 2 \\ -6 & -2\end{array}\right| \) y \( B=\left|\begin{array}{cc}0 & -3 \\ -1 & 2\end{array}\right| \)
Q:
a) \( \left(\frac{1}{3} m+\frac{1}{4}-n\right)+\left(\frac{2}{3} n-3+2 n\right)= \)
b) \( \left(\frac{7}{2} x+\frac{1}{5}-\frac{3}{2} x^{2}\right)-\left(\frac{2}{5} x-x^{2}-2\right) \)
c) \( \left(-x^{3}+x y^{2}-5 x y^{3}-7\right) \cdot(-3 x y) \)
Q:
Solve for \( p \).
\[ \begin{array}{l}-15-11-4 p \geq 16-p \\ \text { Write your answer with p first, followed by an inequality symbol. }\end{array} \]
Q:
Solve for \( y \).
\[ 8+14 y<-18-2+18 y \]
Write your answer with y first, followed by an inequality symbol.
Q:
Solve for \( j \)
\[ 9 j+19>-15-8 j \]
Write your answer with j first, followed by an inequality symbol.
Q:
Find all y-intercepts of the following function. Express your answer as a
coordinate point in simplest form.
\[ f(x)=\frac{3 x^{2}+21 x}{x^{2}-4 x-45} \]
Q:
1. \( 25=y+20 \)
Pon a prueba tus conocimientos sobre Álgebra!
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