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With Host... Your

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100 200 300 400 500 areaanglesworkProbability Final StarApplause

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A100 What is the formula for area of a triangle?

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A100A 1/2bh

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A200 What is the formula for area of a parallelogram?

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A200A bh

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A300 What is the formula for surface area of a cylinder?

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A300A 2Пr 2 +2Пrh

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A400 If a rectangle has a perimeter of 20. What is the maximum area?

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A400A 25

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A500 What is the formula for area of a polygon with more than 4 sides?

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A500A 1/2aP a=apothem P=perimeter

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B100 The sum of interior angles of a pentagon?

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B100A 540

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B200 What is the sum of the exterior angles of a pentagon?

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B200A 360

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B300 What is the one of the exterior angles of a regular octagon?

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B300A 45

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B400 135 o x x+5 Find x?

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B400A 65

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B500 30 o A B C If AB=40 square root 3 What is the length of AC?

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B500A 40

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C100 If a chef can prepare 9 salads per hour and another chef can prepare 10 salads per hour. How many salads can they prepare together in 4 hours?

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C100A 76

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C200 If 5 zambonis can resurface an ice rink in 12 seconds, how many seconds will it take 6 zambonis to resurface an ice rink?

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C200A 10 seconds

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C300 If T.I. Can make an album in 1 day and Snoop dogg takes twice as long to do the work. How many hours will it take to make the album together?

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C300A 16 hours

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C400 When two people are walking towards the same direction and meet. What is the same? Distance, rate or time?

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C400A time.

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C500 IF it takes t hours to fill a pool with water. And the pressure is increased so the water flows 3 times as fast. What part of the pool will be filled in 3 hours?

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C500A 9/t

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D100 If there are 22 girls and 47 boys at a dance, how many possible pairs of boy girl dance partners are there?

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D100A 1034

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D200 In what case does order matter? Factorial, combination or factorial.

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D200A Permutation.

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D300 In how many orders can the letters in the word focus be arranged?

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D300A 5 factorial=120

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D400 If you have 8 coin tosses. What is the probability that the coin ends up heads every time?

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D400A 1/256

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D500 Daily double

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D500A A combination lock consists of 5 digits. If you know the first digit, and the last 4 digits cannot be a 7. What is the maximum number of combinations to try to learn the combination for the lock?

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E100 What is the equation for exponential growth? Describe each variable.

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E100A Y=C(1+r) t Initial amount Growth factor Time period

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E200 In y=10(.85) t What is the percent decrease every time period?

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E200A 15%

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E300 Write an inequality for the possible r values for exponential decay.

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E300A 0<r<1

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E400 You buy a car for 10,000 dollars and it depreciates at a rate of 10 percent every year. How much will it be worth after 3 years?

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E400A Y=10,000(.9) 2 9x9=.81(10,000) =8100

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E500 x y (0, 100) Write the equation of this line if r=.13 and use a variable for time.

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E500A Y=100(.87) t

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F100 x y Name this graph and give me an example of its equation

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F100A Line, or linear equation Y=mx+b

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F200 x y Name the graph and give an example of its equation.

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F200A Parabola y=ax 2 +bx+c

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F300 x y Name that graph, and an example of its equation.

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F300A Absolute value, Y=|x|

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F400 How many points do I need to graph a line?

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F400A 2 points

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F500 What are the ways to solve for a system of linear equations.

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F500A Graphing, substitution, linear combination

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