I will be able to apply slope intercept form to word problems. Pick up your calculator and take out a sheet of graph paper.

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Objective - To graph linear equations using the slope and y-intercept.

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Presentation transcript:

I will be able to apply slope intercept form to word problems. Pick up your calculator and take out a sheet of graph paper.

 The cost of an ice cream sundae is given by the formula C(s) = 1.50s In this formula, C(s) represents the cost of the ice cream sundae and s is the number of scoops of ice cream. Graph the Equation. What does the slope represent? What does the y intercept represent?

 A generator company installs generators over a number of days. The company is trying to use the equation y = -10X to help them figure out when do they need to re-order generators to have a full stock.  What is the rate of change in this situation?  What is the y intercept?  What is the x intercept?  Draw and label a graph of this situation using the intercepts.  What does the y intercept represent?  What does the x intercept represent?  What is the domain of this situation?  What is the range of this situation?

 A submersible designed to explore ocean floor is at an elevation of -13,000 feet. The submersible ascends to the surface at an average rate of 650 feet per minute. The elevation e (in feet) of the submersible is given by the function.  e = 650t – 13,000 where t is the time (in minutes) since the submersible began to ascend.  What is the rate of change in this situation?  What is the e intercept?  What is the t intercept?  Draw and label a graph of this situation using the intercepts.  What does the e intercept represent?  What does the t intercept represent?  What is the domain of this situation?  What is the range of this situation?

 The table shows the height of the sand in a sand box as the sand is being removed for replacement.  What is the rate of change represented in the table?  What is the x-intercept?  What is the y-intercept?  What does the x-intercept mean in this situation?  What does the y-intercept mean in this situation? Time(hours)Height(in)