Chapter 8: Problem 22
Evaluate the exponential expression. Write fractions in simplest form $$8^{3} \cdot 0^{-1}$$
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Write your answer as a power or as a product of powers. $$ x \cdot x^{6} $$
Then evaluate the expression when \(a=1\) and \(b=2\). $$ \left(a^{2} b\right)^{4} $$
Use linear combinations to solve the system. $$ \begin{aligned} &2 a+3 b=17\\\ &3 a+4 b=24 \end{aligned} $$
Use substitution to solve the system. $$\begin{aligned}&4 x-y=5\\\&2 x+4 y=15\end{aligned}$$
Sketch the graph of the inequality. $$x>15$$
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