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Algebra 2 Part 2 Final Exam

Algebra 2 Part 2 Final Exam

Algebra 2 Part 2 Final Exam

Directions: Answer the questions below. Make sure to show your work and justify all your answers.

1. Bradley dropped a ball from a roof 16 feet high. Each time the ball hits the ground, it bounces the previous height. Find the height the ball will bounce after hitting the ground the fourth time.

(SHOW WORK)

2. The 2002 Denali earthquake in Alaska had a Richter scale magnitude of 6.7. The 2003 Rat Islands earthquake in Alaska had a Richter scale magnitude of 7.8.

(SHOW WORK)

Suppose an architect has designed a building strong enough to withstand an earthquake 70 times as intense as the Denali quake and 30 times as intense as the Rat Islands quake. Find which structure is strongest. Explain your finding.

(SHOW WORK)

3. Assume that a company sold 5.75 million motorcycles and 3.5 million cars in the year 2010. The growth in the sale of motorcycles is 16% every year and that of cars is 25% every year. Find when the sale of cars will be more then the sale of motorcycles.

(SHOW WORK)

In a survey in 2010, the population of two plant species were found to be growing exponentially. Their growth is given by these equations: species A, and species B, , where t = 0 in the year 2010.

4. After how many years will the population of species A be equal to the population of species B in the forest?

(SHOW WORK)

5. A raffle prize of dollars is to be divided among 7x people. Write an expression for the amount of money that each person will receive.

(SHOW WORK)

6. The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. If the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is

(SHOW WORK)

7. Blake and Ned work for a home remodeling business. They are putting the final touches on a home they renovated. Working alone, Blake can paint one room in 9 hours. Ned can paint the same room in 6 hours. How long will it take them to paint the room if they work together?

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