Chapter 9: Problem 58
Solve the equation or write no solution. Write the solutions as integers if possible. Otherwise write them as radical expressions. $$x^{2}=0$$
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Use a calculator to evaluate the expression. Round the results to the nearest hundredth. $$\frac{3 \pm 4 \sqrt{6}}{3}$$
(8) Home COMPUTER SALES The sales \(S\) (in millions of dollars) of home computers in the United States from 1988 to 1995 can be modeled by \(S=145.63 t^{2}+3327.56,\) where \(t\) is the number of years since \(1988 .\) Use this model to estimate the year in which sales of home computers will be 36,000 million dollars.
Use a graph to solve the linear system. Check your solution algebraically. (Review 7.1 ) $$\begin{aligned}&\frac{1}{2} x+3 y=18\\\&2 x+6 y=-12\end{aligned}$$
Solve the equation or write no solution. Write the solutions as integers if possible. Otherwise write them as radical expressions. $$3 x^{2}=6$$
Sketch the graph of the function. Label the vertex. y=\frac{1}{2} x^{2}+2 x-1
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