Timed Mini Exam 37 — Timed Mini Exams

Questions in this quiz (10)

1. Which point represents $$-\frac{1}{3}$$ on the number line?

   • $$R$$
   • $$S$$
   • $$T$$
   • $$U$$

2. $$\frac{x+4}{x^2-4}$$What is the value of the following expression when $$x=-1$$?

   • $$-3$$
   • $$-1$$
   • $$1$$
   • $$3$$

3. The drawing represents a rectangular deck. In the drawing, one-half inch represents $$3$$ feet. The deck measures $$3$$ inches by $$2$$ inches in the drawing. What are the actual dimensions of the deck?

   • $$3$$ feet by $$4.5$$ feet
   • $$6$$ feet by $$9$$ feet
   • $$9$$ feet by $$12$$ feet
   • $$12$$ feet by $$18$$ feet

4. Maya is currently $$6$$ years older than twice Leo's age. Let $$M$$ represent Maya's age and $$L$$ represent Leo's age. Which equation represents their current ages?

   • $$M=2L+6$$
   • $$M=2L-6$$
   • $$2M=L+6$$
   • $$L=2M+6$$

5. A line passes through the point $$(-6,5)$$ and has a slope of $$\frac{2}{3}$$. Which equation represents the line?

   • $$2x-3y=-27$$
   • $$2x+3y=3$$
   • $$3x-2y=-28$$
   • $$3x+2y=-8$$

6. Which expression is not a factor of $$x^4-81$$?

   • $$x^2-9$$
   • $$x-3$$
   • $$x+3$$
   • $$x-9$$

7. The figure above shows the frequency of finding different types of coins and paper money during a beach scavenger hunt. Assuming the results are typical, approximately what percentage of the findings would be quarters or silver dollars?

   • $$10\%$$
   • $$20\%$$
   • $$30\%$$
   • $$40\%$$

8. Find the volume of the cylinder shown in the figure.

   • $$40\pi$$ cubic inches
   • $$80\pi$$ cubic inches
   • $$200\pi$$ cubic inches
   • $$400\pi$$ cubic inches

9. A basketball player scored $$35,$$ $$42,$$ $$38,$$ $$45,$$ $$36,$$ and $$39$$ points in the first six playoff games. How many points must the player score in the seventh game for the mean score of all seven games to be $$40$$ points?

   • $$40$$ points
   • $$41$$ points
   • $$44$$ points
   • $$45$$ points

10. The probability that a spinner lands on green is $$\frac{2}{5}$$. If the spinner is spun twice, what is the probability that it lands on green on both spins?

    • $$\frac{2}{5}$$
    • $$\frac{4}{10}$$
    • $$\frac{4}{25}$$
    • $$\frac{3}{5}$$