Chapter 4: Problem 55
Is the given number a solution of the inequality? $$8+5 x<-2 ;-2$$
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Write the equation in slope-intercept form. Then graph the equation. $$ 5 x-y=4 $$
Find the slope of the graph of the linear function \(f\). $$ f(6)=-1, f(3)=8 $$
They can be used to estimate the average number of hours \(h\) per week that a household in the United States watches television programs. In all three models, \(t\) is the number of years since \(1985 .\) Hours spent watching television: \(h=0.57 t+54.85\) Hours spent watching talk shows: \(\quad h=0.35 t+4.06\) Hours spent watching game shows: \(h=-0.2 t+3.4\) According to the model, in what year will the average number of hours per week that a household watches game shows be zero?
find the quotient. $$ -72 \div 8 $$
Decide whether the given point lies on the line. Justify your answer both algebraically and graphically. $$5 x+6 y=-1 ;(1,-1)$$
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