Question: I need help answering the following to complete the study guide. Please show how you got your answers if possible so I can practice. Safari
I need help answering the following to complete the study guide. Please show how you got your answers if possible so I can practice.








Safari File Edit View History Bookmarks Window Help 4 Q 9 Fri Oct 14 11:33 PM O wvnet.brightspace.com C + X 21 M130 Fa22 E2 - MT - 130-IP1 ^College Algebra G how to screenshot on mac - Google Search Part A: For the following problems, choose the answer that best completes the statement and place it on the appropriate answer blank . You may use any empty space on the page for calculations, but scratch work will not be considered when grading Part A. For Part A, Calculators are not permitted. Turn in Part A to receive Part B. 1. (1 point) Which of the following is not a method to solving quadratics? a. Completing the square b. Factoring c. Quadratic formula d. Square root property e. None of these 2. (1 point) The first step to solve va - 5 +7 = 11 is to the radical. a. distribute b. factor c. isolate d. square e. None of these 2. 3. (1 point) The zero factor property states a. If m + n = 0, then m = 0 or n = 0 b. If m - n = 0, then m = 0 or n = 0 c. If mn = 0, then m = 0 or n = 0 d. If - = 0, then m = 0 or n = 0 e. None of these 3. 4. (1 point) Which of the following is the simplified form of x2 - 16? a. (x - 4)2 b. (x + 4) (x - 4) c. (a + 4)2 d. x2 - 16 e. None of these 4. Page 1 of 8wvnet.brightspace.com + ED Q T V 2 of 8 - + 80% > > 5. (1 point) Given A = ;bc2, solve for c. 2A a. c= # 1/ 7 b. c = 26+ VA c. c=+24 d. c=1-4 V26 e. None of these 5. 6. (1 point) The square root property state that for any real number k, if x2 = k, then a. Vi = k or - Vi = k b. Vi = k or V-x = k c. x = Vk or x = V-k d. x = vk or x = -Vk e. None of these 6. 7. (1 point) x4 is equal to what? a. Vx4 b. Vx3 C. SX 1. 4x e. None of these 7 . 8. (1 point) To apply the quadratic formula to the equation 3x2 - 7x - 4 = 0, the associated variables would be a. a = -4, b= -7, and c = 3 b. a = 3, b= -7, and c = -4 c. a = 3, b = 7, and c = 4 d. a = 4, b = 7, and c = 3 e. None of these 8. 9. (1 point) Which of the following is the complex conjugate of 8 + 2i? a. -8 - 2i b. 2+ 8i c. 2 -82 d. 8 -2i e. None of these 9. 10. (1 point) If the number inside the square root is negative, it could be solved using what on the outside of the square root sign? a. e b. i c. -1 d. nothing changes e. None of these 10. Page 2 of 8wvnet.brightspace.com + ED 3 of 8 - + 80% > > Section 2: True or False. Read each statement then circle your response. 11. (1 point) If b2 - 4ac > 22. Solve each equation. 8 (a) (4 points) x - 2 22 - 2x = -2 (b) (4 points) 2(6a + 7) 2 - 2a = 0 (c) (4 points) Va +1+ V2x + 3 = 1 Page 5 of 8ED Q 4\"\" 6 of8 H wvnetlbrig htspacelcom l + l 30% _ 'l 2 _ 23. (8 points) Use the quadratic formula .1 = w a 2(z1)1=2z+3 24. Perform the following operation (a) (3 points) (9 + 2i)(4 i) 6+2i (b) (4 points) 3 _ 1. to solve the following: wvnet.brightspace.com + 7 of 8 - + 80% > > 25. (6 points) Two out-of-town firefighting crews have been called to a wildfire in the mountains. The Alum Creek Fire Station is 96 mi from the fire and the Shelton Fire Station is 88 mi from the fire. The fire truck from Alum Creek travels 6.4 mph faster than the Shelton fire truck. If it takes the trucks the same amount of time to reach the fire, what is the average speed of each fire truck? 26. The airline cost for a thousand passengers to travel from New York to Atlanta is given by C = v0.3x + 1 where C is measured in millions of dollars and x 2 0. (a) (3 points) Find the airline's cost for 10,000 passengers to travel from New York to Atlanta. (b) (3 points) If the airline charges $320 per passenger, find the profit made by the airline for flying 10,000 passengers from New York to Atlanta. (c) (4 points) Approximate the number of passengers who traveled from New York to Atlanta if the total cost was $4 million. Page 7 of 8I) E wvnetibrig htspaceicom 1 Using the model .9 = t2 + vat + .90 with g = 32 ft/sec2 or g = 9.8 m/secz, solve the following questions 27. In a classic Seinfeld episode, Jerry tosses a loaf of bread (a marble rye) straight upward to his friend George who is leaning out of a third-story window. (a) (3 points) If the loaf of bread leaves Jerry's hand at a height of l m with an initial velocity of 18 m/sec, write an equation for the vertical position of the bread, .9 (in meters), t seconds after release. (b) (5 points) How long will it take the bread to reach George if he catches the bread on the way up at a height of 16 m? Round to the newest tenth of a second. 28. A bad punter on a. football team kicks a football approximately straight upward with an initial velocity of 75 f t/ see. (a) (3 points) If the ball leaves his foot from a height of 4 ft, write an equation that models the vertical height, 3 (in feet), of the ball t seconds after being kicked. (b) (5 points) How long will it take for the football to hit the ground
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