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Cost Calculation for Fuel and Quadratic Equation Insights

This document outlines a practical application problem involving fuel costs for a car that averages 27 miles per gallon, with gas priced at $4.04 per gallon. It calculates how much it would cost to travel 2,727 miles. Additionally, it explores a quadratic equation query and offers a playful joke regarding fish. Furthermore, it includes essential methods for solving quadratic equations, such as factoring, completing the square, and using the quadratic formula, along with recommended homework exercises for practice.

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Cost Calculation for Fuel and Quadratic Equation Insights

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  1. Flashback 9-6-12 1. A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would cost for this car to travel 2,727 typical miles? A. $ 44.44 B. $109.08 C. $118.80 D. $408.04 E. $444.40 2. When x = 3 and y = 5, by how much does the value of 3x^2 – 2yexceed the value of 2x^2 – 3y ? F. 4 G. 14 H. 16 J. 20 K. 50

  2. Joke of the day You have 10 fish, 5 drown, 3 come back to life. How many fish do you have?

  3. Stop counting smart one. Fish can’t drown

  4. Solving quadratic equations • Factoring • Extracting Square Roots • Completing the square • Quadratic Formula • Using a graphing calculator

  5. Fill in the blank • If a*b=0, then ______________ or __________.

  6. Graphing to find zeroes • Press graph. What do you see? • Use Calc , zero

  7. Now, algebraically • Factor

  8. First, Graphically • Then by extracting the square

  9. Graphically • Completing the square

  10. Graphically • Quadratic Formula

  11. Homework p. 50 Ex. 7, 12, 14, 17, 20, 24

  12. Exit Slip Complete p. 50 Ex. 2,4,26, 30, 35 Place on your homework sheet.

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