Chapter 9: Problem 46
Graph the equation. $$2 x-4 y=24$$
Chapter 9: Problem 46
Graph the equation. $$2 x-4 y=24$$
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Get started for freeUse a calculator to evaluate the expression. Round the results to the nearest hundredth. $$\frac{6 \pm 4 \sqrt{2}}{-1}$$
Use a calculator to solve the equation or write no solution. Round the results to the nearest hundredth. $$2 x^{2}-4=10$$
Use a calculator to solve the equation or write no solution. Round the results to the nearest hundredth. $$3 x^{2}+7=31$$
Solve the equation or write no solution. Write the solutions as integers if possible. Otherwise write them as radical expressions. $$x^{2}=16$$
Use a graph to solve the linear system. Check your solution algebraically. (Review 7.1 ) $$\begin{aligned}&4 x+5 y=20\\\&\frac{5}{4} x+y=4\end{aligned}$$
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