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Objective

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

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Objective

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

  2. Warm Up • The cost of an ice cream sundae is given by the formula C(s) = 1.50s + 5.00. 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?

  3. A generator company installs generators over a number of days. The company is trying to use the equation y = -10X + 750 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 yintercept? • 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?

  4. 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?

  5. 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?

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