Chp. 7 Chp. 8 Chp. 9 Chp. 11 Chp. 10

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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

3b² ( 2 – 5b )

Question 2 - 20

• Factor by Grouping

Answer 2 – 20

( 3k – 1 ) ( k² + 5 )

Question 2 - 30

• Factor the Trinomial

Answer 2 – 30

( x + 3 ) ( x – 10 )

Question 2 - 40

• Factor

Answer 2 – 40

( 5x + 4 ) ( 5x – 4 )

Question 2 - 50

• Factor

Answer 2 – 50

( 2x + 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) = -16t² + 64t + 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:

4x² - 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 - 50Francium-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