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Flashback 9-6-12

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?

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Flashback 9-6-12

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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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