Math 7 PRACTICE #2 Final Exam Part II

Name (First and Last)

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2. A bag contains eight marbles -- two blue, two red, two green, and two white. Matt randomly draws a green marble from the bag and keeps it. If Ellen then chooses a marble from the bag, what is the probability both marbles will be green?

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3. Simplify (10x-8)+(-4x-6).

• 14x - 2
• 6x - 2
• 14x - 14
• 6x - 14

4. Aditi is experimenting with a new way to shoot free throws. At a practice session, she made 24 out of 30 free throws. How many free throws out of 100 can Aditi expect to make?

• 60
• 70
• 80
• 50

5. Which expression is equivalent 12y - 18?

• 6(2y - 3)
• 6(-2y + 3)
• -6(2y - 3)
• -6(-2y - 3)

6. Which of the following equations has a solution of -8?

• 2x - 6 = -3
• 5 - 3x = -4
• 2(x + 6) = 6
• 2x + 5 = -11

7. The graph below shows the number of chairs (y) and the number of tables (x) in a restaurant. Which equation could be used to represent this relationship?

• c = 8t
• t = 8c
• c = 16t
• t = 16c

8. A map is drawn such that 1 cm on the map represents 50 km. How long is a distance represented by 4.5 cm on the map?

• 225 km
• 54.5 km
• 0.09 km
• 200 km

9. The box and whisker plots below represent the life spans of crocodiles and alligators at the zoo. Which one of the following statements best compares the two box and whisker plots?

• In general, alligators lived longer and there was a greater variability in life spans as crocodiles.
• In general, alligators lived longer and there was about the same variability in life spans as crocodiles.
• In general, crocodiles lived longer and there was a greater variability in life spans than alligators.
• In general, crocodiles lived longer and there was about the same variability in life spans as alligators.