OSTP Jeopardy Review

Number and Operations

Algebraic reasoning

Slope and functions

Geometry and Measurement

Data and probability

100

Which is the correct way to simplify 7^-3?

A. Multiply 1/7 x 1/7 x 1/7

B. Multiply -7 x -7 x -7

C. Multiply 7 x -3

D. Divide 7³ by 7

A. Multiply 1/7 x 1/7 x 1/7

100

Expand the expression.

6(2k-3)

A. 8k-3

B. 9k

C. 12k-3

D. 12k-18

100

A line passing through the origin intersects the point (-8,-5). What is the slope of the line?

A. -8/5

B. -5/8

C. 5/8

D. 8/5

C. 5/8

100

Which are not the dimensions of a right triangle?

A. 3,4,5

B. 7,10,16

C. 11,60,61

D. 12,35,37

B. 7,10,16

100

The number of miles that Jenna cycled each week for a 7-week period is shown below:

36,42,28,52,48,36,31

What is the median number of miles Jenna Cycled?

A. 24

B. 36

C. 39

D. 52

B. 36

200

What is the value of (12⁷)²x 12⁰?

A. 0

B. 12⁹

C. 12¹⁴

D. 144¹⁴

C. 12¹⁴

200

What is the value of this expression when a=-3 and b=5?

a+b²

200

What is the slope of the line whose equation is y= 1/6x-1/2?

1/6

200

To the nearest tenth what is the distance between (7,4) and (12,5)?

A. 4.8

B. 4.9

C. 5.0

D. 5.1

200

Ms. Allen collected data to determine the association between her students' television viewing the day before an exam and their grade on the exam. The equation y= 100 - 8x was a good linear model for determining y, a student's grade after watching TV for x hours the night before. If a student spends 4.5 hours watching TV what grade does the model predict they will recieve?

A. 95

B. 88

C. 64

D. 36

C. 64

300

The 2036 estimated population of China is 1.382x10⁹ people. The 2036estimated population for the US is 3.23x10⁸ people. How many more people is China expected to have than the US?

A. 1.059x10⁸

B. 1.059x10⁹

C. 1.848x10⁸

D. 1.848x10⁹

B. 1.059x10⁹

300

What is the solution for 72x+7=223?

A. x=6

B. x=4

C. x=3

D. x=2

C. x=3

300

Which is not true of a function?

A. A function assigns to each input exactly one output.

B. A function is a relation.

C. Two different input values can have the same output value.

D. An input value can have more than one output value.

300

Laura rode her bike 6.8 miles east. She then turned and rode another 4.9 miles south. Which of the following is closest to the distance from Laura's starting point to where she finished?

A. 4.7 mi

B. 4.8 mi

C. 5.8 mi

D. 8.4 mi

300

Dan rolled a number cube 20 times. The cue landed on number 3 six times. What is the experimental probability that Dan will roll a number 3 the next time he rolls the number cube?

A. 3/10

B. 2/5

C. 3/5

D. 7/10

A. 3/10

400

Which number is irrational?

A. sqrt(8)

B. 12%

C sqrt(100)

D.-11.2956...

A. sqrt(8)

400

Sylvie's age is 5 years less than half of Katies age. If Silvie is 11, What is Katies age?

A. 8 Years Old

B. 12 Years Old

C. 27 Years Old

D. 32 Years Old

400

Whice equation does not represent a linear function?

A. y= 1/2 x +2

B. y=x²

C. y=2x

D. y=x-2

B. y=x²

400

Alexis is designing a storage chest shaped lile a rectangular prism. The storage chest is 6 feet long, 2 feet wide, and 3 feet high. What is the surafce area of the storage chest?

A. 18ft²

B. 24ft²

C. 36ft²

D. 72ft²

400

Which would be the best sample for determining the favorite sport of students at Memorial Middle School?

A. Ten students at Cinergy

B. Every 10th student entering the school in the morning.

C. 5 Students from each of the school's sports teams

D. The first ten students in the cafeteria at lunch time.

B. Every 10th student entering the school in the morning.

500

Which number goes in the blank to make this sentence true?

5/6 < __ < 85%

A. π

B. sqrt(64)

C. 0.84

D. 83%

C. 0.84

500

Which is the solution set of this inequality?

-2n-7 > -25

A. n >16

B. n<16

C. n>9

D. n<9

500

Ashton earns extra money by doing jobs for his neighbors. He charges a flat fee of $15 plus $8 per hour for each job. If he earned $47 for a job he did last week, how many hours did he work?

A. 2

B. 2.6

C. 3

D. 4

500

A cube has a volume of 512 cubic inches. What is the length of each edge?

A. 5 in

B. 6 in

C. 7 in

D. 8in

500

Miko took a survey of the students in her grade to see how many are likely to join a book club if she starts one. She surveyed 48 students and 10 said they would join. If there are 240 students in her garde, how many students might Miko except to join the club?

A. 28

B. 38

C. 48

D. 50