Brianna-Math-Test-15
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University Of Georgia *
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8160
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Mathematics
Date
Jan 9, 2024
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SETON-GRADED TESTS Seton Test 15 (To be taken after Chapter 17) Tell whether each sentence below is True or False. 1. The probability of an event equals POSSID € oulEomes .fi Féi 2 (130) favorable outcomes 96 2. To find the distance between two points, take the average of the x-coordinates and the (139 average of the y-coordinates. ?’fl l 5 é The table below shows the average high temperature in degrees Fahrenheit for Average High Temperature for each of the last 12 months. Past 12 Months 3. Find the mean of the data in the table. 20 23 35 50 (27 — 7 64 84 91 93 4. Find the median of the data in the table. 72 o8 21 43 (127) 21y o Use the stem and leaf plot to answer each question below. Stem | Leaf S. How many numbers in the data have a 2 in the ol3688 (128) one’s place? __ =(p 1|567 6. What is the range of the data? 21011489 128 e 0.0 3]5568 - 4012267 513468 615579 115=15 Tell whether you would expect a positive correlation, negative correlation, or no correlation between the pair of variables described below. 7. The number of hours you study and your grade in the class. (129) A. No correlation B. Negative correlation @ Positive correlation 8MATO5_20A Seton Home Study School 77 (REVISED 9/16/2020) St. Elizabeth Ann Seton, pray for us!
SETON-GRADED TESTS The histogram below shows ranges for the ages of members of the Mayor’s staff. Use the histogram to answer the question. Mayor's Staff 15 D D TS 5D D @D G b 7D T @D oW T 5 GD 9D Number of 10 * Staff Members 5w o cn a» o @ o> o 0 10 20 30 40 50 60 70 80 Age 8. How many staff members are between 20 and 40 years old? T =15 sk e The scatter plot below shows the relationship between years of education and annual income. Use the scatter plot to answer the question below. Annual Income 140,000 - 130,000 - 120,000 ¢ 110,000- 100,000+ 90,000+ 80,000 ¢ 70,000 % 60,000 = 50,000 < 40,000 ¢ 30,000 ¢ 20,000 = 10,000 = 4 6 8 10 Education 9. Based on the scatter plot, which would be the best estimate for the income of someone (129) who had 14 years of education? A. 20,000 D. 80,000 B. 40,000 @ 60,000 E. 100,000 78 Seton Home Study School St. Elizabeth Ann Seton, pray for us! S8MATO5_20A (REVISED 9/16/2020)
SETON-GRADED TESTS Calculate the probability of each event described below. Write your answers as a fully reduced fraction. 10. A box has 10 blue straws, 8 red straws, and 9 yellow straws. What is the probability of (139) " picking a red straw without looking? el 11. What is the probability of rolling a 6-si?éfdwdie and getting an odd number? (130) V"wl ~ 2 -~ - Use a calculator to find the expéi‘imental probability below. Write your answer as a decimal. 12, A scientist performed an experiment 200 times and the results only came out positive 85 130) of those times. What is the probability that the results of the next experiment will be positive? - O' Ll él 5 Answer each question below. R — = 13. Which graph at right represents the -4 0 (133) jnequality x >4 9 . & > <€ 3 O 4 D. & S ey O 4 E. & > -4 0 (};‘6') After distributing, —2(x —1) is the same as which expression below? A, -2x-1 B. -2x+1 C. 2x+2 D. x+2 E) -2x+2 15. What is the value of the expression l—4+ (—4)‘ 4 (137) _ 8 Solve each equation below. Make sure your answers are fully reduced. 16. 3(x—3)—-5x=9 17. —2(x+4)+6x=-5 (136) (136) — "0\ = ?7 Select the correct symbol for the problem below. /C\, 18. 4 -4 a7y A. < B. > @: S8MATO5_20A Seton Home Study School (REVISED 9/16/2020) St. Elizabeth Ann Seton, pray for us! 79
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SETON-GRADED TESTS Solve each inequality below and select your answer from the choices given. 19. 3x<-18 (134) A. x<-6 D. x>-54 x>-6 C. x<-6 x<-54 20. xX+5 135y 3 A. x<I10 x>10 21. 3x+&8<8x+10 (135) =9 x>21 C. x<2l x>3 B. =9 Use the coordinate plane shown to answer each of the following questions. If your answer turns out to be a square root that does not equal a whole number, estimate it to one decimal place. 22. Use the distance formula to find the (139 1ength of line segment GK. C\ & = e § % 23. Use the midpoint formula to find =2 139 the midpoint of line segment KD. =3 - (O/ -—-—-%:-) G :v D Translate the word problem below into math; then solve. 24. Anne receives a 15% tip for all orders she takes. If the amount she received in tips today (54) was $90, what was the value of the orders she took? =600 -~ N 30 Seton Home Study School SMATO5_ 20A St. Elizabeth Ann Seton, pray for us! (REVISED 9/16/2020)