Mini Exam 18 — Timed Mini Exams

Questions in this quiz (10)

1. A company conducted a survey in Texas about whether fracking is necessary to meet the state's energy demand. Based on the survey results, which age group does not like fracking the most?

   • 16-25
   • 25-50
   • 50+
   • 75+

2. In the figure, how many ways are there to travel from A to I using only the pathways shown in the diagram?

   • $$2$$
   • $$3$$
   • $$5$$
   • $$6$$

3. A box has 3 red balls, 4 green balls, and 5 blue balls. What is the probability that a ball picked at random will be a green ball?

   • $$\frac14$$
   • $$\frac13$$
   • $$\frac12$$
   • $$1$$

4. 5 apples and 3 oranges cost 18 dollars. 7 apples and 4 oranges cost 25 dollars. What is the cost of 12 apples?

   • $$12$$
   • $$24$$
   • $$36$$
   • $$48$$

5. Solve for $$x$$ in $$-3x+8\le-2x+4879$$.

   • $$x\ge-4871$$
   • $$x$$ < $$4871$$
   • $$x$$ < $$4897$$
   • $$x=4871$$

6. Shoe sales at a store are shown in the table, where $$S$$ is the size of the shoe and $$N$$ is the number of shoes sold at that size. Which equation models the number of shoes sold in terms of the size of shoes?

   • $$N=-10S+200$$
   • $$N=10S+220$$
   • $$N=-20S+220$$
   • $$N=-20S+200$$

7. The largest solution to $$(x+4)^2=x+4$$ is:

   • $$-3$$
   • $$-2$$
   • $$3$$
   • $$12$$

8. The table shows the values of functions $$f(x)$$ and $$g(x)$$. What is the value of $$f(2)\cdot f(g(2))$$?

   • $$3$$
   • $$8$$
   • $$15$$
   • $$21$$

9. The scatterplot shows the scores of two students in five games. A student with a higher score wins. What percentage of games did Ashley win?

   • $$20\%$$
   • $$40\%$$
   • $$60\%$$
   • $$90\%$$

10. Two lab tests were conducted on 12 guinea pigs. The dot plots show the time it took each guinea pig to recognize a sound in Lab Test-1 and Lab Test-2. Which inference can be made?

    • Lab Test-1 has a higher standard deviation than Lab Test-2
    • Lab Test-2 has a higher standard deviation than Lab Test-1
    • Both tests have the same standard deviation
    • More students should take the tests in order to compare the standard deviations