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NEXT NEXT NEXT NEXT NEXT NEXT 5 10 15 20 25 5 10 15 20 25 5 10 15 20 25 Chapter 7-8 5 10 15 20 25 Chapter 9 5 10 15 20 25 Chapter 1-2 Chapter 3-4 Chapter 5-6 0 Team One 0 Team Three 0 Team Five 0 Team Two 0 Team Four 0 Team Six 5 POINTS Are these equations Parallel, Coincident, or do they intersect? 2x+3y=6 4x+6y=0 Show Answer 5 POINTS PARALLEL Back to Board 10 POINTS Sweet delight candies has a fixed cost of $300. Each lb of candy produced costs $1 and is sold for $2. What is the break even point? Show Answer 10 POINTS x + 300 = 2x -x -x 300 = x Back to Board 15 POINTS Solve: a + b + c + d = 20 a+b+c=0 c + d = 13 b – 2d = -5 Show Answer 15 POINTS a = -28 b = 35 c = -7 d = 20 Back to Board 20 POINTS Analyze in Echelon Form: 103 0 012 0 000 1 000 0 Show Answer 20 POINTS No Solution! x + 3z = 0 y + 2z = 0 0=1 0=0 Back to Board 25 POINTS Solve: x–y+z=8 2x + 3y – z = -2 3x -2y -9z = 9 Show Answer 25 POINTS X=4 Y=-3 Z=1 Back to Board 5 POINTS Find the line of best fit: 1975 44,676 1980 143,756 1985 371,571 1990 578,930 1995 1,071,029 2000 1,998,034 2005 2,632,655 2009 3,240,000 Show Answer 5 POINTS y = 96939.29x – 191879351.5 Back to Board 10 POINTS Find A x B: A= [ 1 5 3 ] B= 2 -1 4 Show Answer 10 POINTS 9 Back to Board 15 POINTS Graph the Inequality: X<3 Show Answer 15 POINTS Back to Board 20 POINTS Graph: 2x + 3y > 6 Show Answer 20 POINTS y > -2/3x + 2 Back to Board 25 POINTS Solve AB: A 12 3 9 6 B 73 189 Show Answer 25 POINTS 12(73) + 3(189) 9(73) + 6(189) 1443 1791 Back to Board 5 POINTS What interest uses the formula A=P ( 1 + r/n)nt Show Answer 5 POINTS Compound Interest Back to Board 10 POINTS Find the simple interest owed on $8,537 at 10% for 8 months. Show Answer 10 POINTS 8,537 x .10 x (8/12) = $569.13 Back to Board 15 POINTS Find the constraint: P = 400a + 100b + 200c + 300d a + b < 600 c + d < 400 a + c > 500 b + d > 300 Show Answer 15 POINTS P a b c d s1 s2 s3 s4 RHS S1 0 1 1 0 0 1 0 0 0 600 S2 0 0 0 1 1 0 1 0 0 400 S3 0 -1 0 -1 0 0 0 1 0 -500 S4 0 0 -1 0 -1 0 0 0 1 -300 P 0 400 100 200 0 0 0 0 R3,C2=> R4,C3=> R1,C4=> R2,C6 0 P=150,000 a=100 b=300 c=400 d=0 Back to Board 20 POINTS Find the value of annuity when $200 is deposited each month at 10% interest ( compounded monthly ) for 20 years. Show Answer 20 POINTS 200 ( 1 + .1/12) ^240 -1 .1/12 $151,873.77 Back to Board 25 POINTS Solve the constraint: P = 2x + y + 3z 2x + 3y + 4z > 20 4x + 2y + 2z > 15 Show Answer 25 POINTS P = 15/2 X = 5/8 Y = 25/4 Z=o Back to Board 5 POINTS Find the value of the expression: C(3,1) Show Answer 5 POINTS *one choice of three 3x1 3 Back to Board 10 POINTS How many different vertical arrangements are possible for 10 flags if 2 are white, 3 are red, and five are blue? Show Answer 10 POINTS 10! 2!3!5! = 2,520 Back to Board 15 POINTS Mark, Marcus, and Mike all have separate birthdays. If listed all the ways possible this could occur, how many would there be? Assume that there are 365 days in a year. Show Answer 15 POINTS 365 x 364 x 363 = 48, 228, 180 Back to Board 20 POINTS Describe a sample space for an experiment of selecting one family from the set of all possible three-child families. Show Answer 20 POINTS (B,B,B) (G,B,B) (B,B,G) (G,B,G) (B,G,B) (G,G,B) (B,G,G) (G,G,G) 8 Choices Back to Board 25 POINTS Standard license plates in the state of South Carolina consist of three letters of the alphabet followed by three digits. How many will have all their distinct digits? Show Answer 25 POINTS 26 L 26 26 10 L L D 9 D 8 D = 12, 654, 720 Back to Board 5 POINTS Tell what the variable is, and then whether it is discrete or continuous. - Count the # of defective parts produced by a certain machine in an hour. Show Answer 5 points Variable = Defective Parts - Discrete Back to Board 10 POINTS Is this graph: A) Bell-shaped C) Skewed right B) Uniform D) Skewed left Show Answer 10 POINTS C - There are more outcomes clustered at one end while fewer values on the right side Back to Board 15 POINTS A set of 750 scores are normally distributed. How many scores would you expect to find between 2 standard deviations above and below the mean? Show Answer 15 POINTS .95 x 750 = 712.5 scores Back to Board 20 POINTS Given a normal distribution with a mean of 9 and standard deviation of 2, find the z-score for 13. Show Answer 20 POINTS 13 – 9/2 = 2 Back to Board 25 POINTS Find the normalcdf between 30 and 52 with a mean of 40, and a standard deviation of 2. Show Answer 25 POINTS 30-40/5 = -2 52-40/5 = 2.4 normalcdf (-2,2.4) = .96905 96.9% Back to Board Show Question “Big Points” 25 26 27 28 29 30 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 Question What was the name of the district Miss Raven taught at before Basha High School? Show Answer Big Points Kyrene School District Back to Board