 # Final Exam Review Chp 7 Chp 8 Chp

• Slides: 52 Final Exam Review Chp. 7 Chp. 8 Chp. 9 Chp. 11 Chp. 10 10 10 20 20 20 30 30 30 40 40 40 50 50 50 Question 1 - 10  Question 1 - 20  Question 1 - 30  Question 1 - 40  Question 1 - 50 • Multiply  Question 2 - 10 • Factor Using GCF Answer 2 – 10 3 b² ( 2 – 5 b ) Question 2 - 20 • Factor by Grouping Answer 2 – 20 ( 3 k – 1 ) ( k² + 5 ) Question 2 - 30 • Factor the Trinomial Answer 2 – 30 ( x + 3 ) ( x – 10 ) Question 2 - 40 • Factor Answer 2 – 40 ( 5 x + 4 ) ( 5 x – 4 ) Question 2 - 50 • Factor Answer 2 – 50 ( 2 x + 3 )² Question 3 - 10 • Compare the graph of the function with the graph of f(x) = x² and describe it’s transformation. Answer 3 – 10 The graph will be a Maximum instead of a Minimum and the vertex will be translated down 5 units. Question 3 - 20 Answer 3 – 20 H(x) F(x) G(x) Question 3 - 30 • The height of a rocket fired from a platform 80 feet above the ground is modeled by the equation h(t) = -16 t² + 64 t + 80, where h is the height of the rocket and t is the time in seconds. Find the maximum height of the rocket. Answer 3 – 30 5 Seconds Question 3 - 40 • Solve using square roots: 4 x² - 64 = 0  Question 3 - 50 • Solve the equation using the quadratic formula. Round your answer to the nearest hundreth.  Question 4 - 10  Question 4 - 20 Answer 4 – 20 9. 058973 Question 4 - 30 Answer 4 – 30 Yes, constant ratio of. 5 Question 4 - 40 A \$1600 computer is losing value at a rate of 10% per year. Write an exponential function to model the situation and state its value after 5 years. Answer 4 – 40 \$944. 78 Question 4 - 50 Francium-233 has a half-life of 22 minutes. Find the amount of Francium-233 left from an 88 gram sample after 54 minutes. Answer 4 – 50 16. 05 grams Question 5 - 10 An experiment consists of pushing the random select button on a CD player for a disc with five tracks. Use the results in the table to find the experimental probability of selecting Track 4.  Question 5 - 20 An experiment consists of pushing the random select button on a CD player for a disc with five tracks. Use the results in the table to find the experimental probability of selecting an odd number track.  Question 5 - 30 Find the Theoretical Probability of randomly selecting a vowel from all the letters in the word VOWELS.  Question 5 - 40 Find the Theoretical Probability of picking a red marble out of a bag with 3 green, 5 blue, 2 red, and 6 yellow marbles.   