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Final Jeopardy

$100 Question from H1

The lengths of two sides of a triangle are 5 cm and 8 cm. What can you conclude about the maximum length of the third side of the triangle?

$100 Answer from H1

The maximum length of the third side must be less than 13 cm

$200 Question from H1

Which best describes the cross sectionformed as the plane passes through the cube?

$200 Answer from H1

square

$300 Question from H1

Suppose a plane passes through the center of a square pyramid perpendicular to the base. Which two-dimensional figure is formed?

$300 Answer from H1

triangle

$400 Question from H1

The lengths of two sides of a triangle measure 8 feet and 14 feet. What is the largest whole number value that the third side could measure?

$400 Answer from H1

21 feet

$500 Question from H1

Which lists the side lengths in order from shortest to longest?

$500 Answer from H1

d, e, f

$100 Question from H2

Jamika wanted to determine whether 7th grade boys or girls can swim faster. She decided to do an experiment where she randomly selected 9 boys and 9 girls to swim one lap. She recorded the time, in seconds, of each swimmer and then plotted the results of her survey. How do themeans compare?

$100 Answer from H2

the means are the same

$200 Question from H2

A piece of rope 50.24 inches long will enclose a circular child’s wading pool. What is the diameter of the pool?

$200 Answer from H2

What is 16 inches

$300 Question from H2

The length of a rectangle is 15 and its width is w. The perimeter of the rectangle is, at most, 50. What inequality can be used to find the longest possible width?

$300 Answer from H2

30 + 2w ≤ 50

$400 Question from H2

How much fencing would need to enclose a circular pond with diameter 12.5 feet?

$400 Answer from H2

39.25 feet

$500 Question from H2

The advertised size of a pizza is the diameter of the pizza. What is the area of the crust of a 15-inch pizza?

$500 Answer from H2

177 square inches

$100 Question from H3

According to the survey described, what was the population of the survey? “A recent online survey of 5000 teenagersfrom across the U.S. shows 2 out of 3 teenagers participate in after school activities.”

$100 Answer from H3

teenagers across the U.S

$200 Question from H3A sample of seventh and eighth grade students were asked how many minutes they spent online last night. The results were recorded in the box-and-whisker plotsshown. What can you concludeabout the variation on timespent online?

$200 Answer from H3

Eighth grade students have more variation in the amount of time spent online last night.

$300 Question from H3

Suppose a toothpaste company wants to calculate how many times teens brush their teeth each week. They decide to conduct a survey of a random sample of 1000 teens aged 13–18 from across the U.S. What is thesample size?

$300 Answer from H3

1000

$400 Question from H3

Dr. Pulos wants to determine which year-end celebration to choose for the students. He wants student input, so he needs to choose a sample of 20 students from the school. What can bea random sample?

$400 Answer from H3

Give every student a number and select 20 numbers from a box without looking.

$500 Question from H3

Kris is staining 30 wooden rectangular fence pieces. The fence pieces are different sizes, and Kris wants to determine the approximate number of square feet of paint she will need. She decides to take a sample of 4 fence pieces and calculate the mean of the areas instead of calculating the area of each fence piece. What can be said about this problem?

$500 Answer from H3

The mean area of the 4 fence pieces multiplied by 30 would be similar to the total area.

$100 Question from H4

What can be used to show the differences in variation for two populations that have equivalent measures of center?

$100 Answer from H4

mean absolute variation

$200 Question from H4

Two sets of data are graphed on the line plot

What observation can you make about the two data sets?

$200 Answer from H4

Both have the same spread

$300 Question from H4

This figure represents line segments painted on a parking lot to create parking spaces.Write and equation can be used to show that these line segments are parallel?

$300 Answer from H4

w + 118 = 180

$400 Question from H4

The stem-and-leaf plot shows how many pages a random sample of boys and girls read each week. What is the median for each data set?

$400 Answer from H4

The median for boys is 75 and the median for girls is 79.

$500 Question from H4

What is the measure of the supplement of ∠CAB ?

$500 Answer from H4

132

$100 Question from H5

How many decimal places does an irrational number have?

$100 Answer from H5

infinite

$200 Question from H5

If ΔCDA is congruent to ΔABC, what are the coordinates of D ?

$200 Answer from H5

(2,1)

$300 Question from H5

Triangle AʹBʹCʹ is a transformation of triangle ABC. What can you conclude about this transformation?

$300 Answer from H5

reflection

$400 Question from H5

Julia wants to calculate the mean age of the 200 people attending the Saturday matinee at the movie theater. She selects 4 attendees at random and calculates the mean of their ages. What can you conclude about Julia’s results

$400 Answer from H5

The sample size is too small to give a reliable conclusion

$500 Question from H5George gathered samples for the average monthly precipitation, in inches, for two cities and recorded the results in the box-and-whisker plots shown.What conclusion canyou make?

$500 Answer from H5

The amount of precipitation in City B is more spread out than in City A.

Final JeopardyThe rectangle shown below has length 20 meters and width 10 meters.

If four triangles are removed from the rectangle as shown, what will be the area of the remaining figure?

Final Jeopardy Answer

168 m2