# 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

Answer 1 – 10 •

Question 1 - 20

Answer 1 – 20 •

Question 1 - 30

Answer 1 – 30 •

Question 1 - 40

Answer 1 – 40 •

Question 1 - 50 • Multiply

Answer 1 – 50 •

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

Answer 3 – 40 •

Question 3 - 50 • Solve the equation using the quadratic formula. Round your answer to the nearest hundreth.

Answer 3 – 50 •

Question 4 - 10

Answer 4 – 10 2187

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.

Answer 5 – 10 •

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.

Answer 5 – 20 •

Question 5 - 30 Find the Theoretical Probability of randomly selecting a vowel from all the letters in the word VOWELS.

Answer 5 – 30 •

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.

Answer 5 – 40 •

Question 5 - 50 A Physical Education class has 12 boys and 18 girls. Each day, the teacher randomly selects a team captain. Assume that no student is absent. What is the probability that the team captain is a girl two days in a row?

Answer 5 – 50 •

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