Timed Mini Exam 11 — Timed Mini Exams

Questions in this quiz (10)

1. A triangular garden has side lengths of $$3.5$$ meters, $$4.2$$ meters, and $$5.8$$ meters. What is the perimeter of the garden?

   • $$12.5$$ meters
   • $$13.5$$ meters
   • $$14.5$$ meters
   • $$15.5$$ meters

2. Two coworkers receive a restaurant bill of $$\$68.40$$. One coworker suggests leaving an $$18\%$$ tip, while the other suggests leaving a $$22\%$$ tip. What is the difference between the two proposed tip amounts?

   • $$\$2.05$$
   • $$\$2.74$$
   • $$\$12.31$$
   • $$\$15.05$$

3. Two high-school biology classes hosted a bird-watching day during which students kept track of how many different species of birds they observed in a nearby park. The dot plot represents the number of species observed by many of the students.Four students have not been included on the dot plot. Their observations are shown in the table.Which description correctly explains how these four observations should be added to the dot plot?

   • Place one dot above $$14$$, one dot above $$21$$, and two dots above $$9$$
   • Place two dots above $$14$$, one dot above $$21$$, and one dot above $$9$$
   • Place two dots above $$9$$, one dot above $$14$$, and one dot above $$21$$
   • Place one dot above $$9$$, one dot above $$14$$, and two dots above $$21$$

4. Which expression is equivalent to the following expression?$$4x(x-3)-(x-3)^2$$

   • $$3x^2-6x-9$$
   • $$3x^2-18x+9$$
   • $$5x^2-18x+9$$
   • $$3x^2-12x-9$$

5. The histogram represents data collected through a survey of students at a large commuter college. Each student surveyed provided the one-way distance that the student travels to campus.Based on the data, which of the following statements must be true?

   • A total of $$46$$ students were surveyed.
   • Exactly one student travels $$46$$ miles to campus, one way.
   • Exactly $$6$$ students travel between $$10$$ and $$19$$ miles to campus, one way.
   • Fewer than $$5$$ students travel less than $$10$$ miles to campus, one way.

6. The graph represents the cumulative number of packages loaded onto trucks during one day at a small warehouse. When the day began, there were already $$50$$ packages loaded. Based on the graph, how many packages were loaded each hour?

   • $$25$$ packages per hour
   • $$50$$ packages per hour
   • $$125$$ packages per hour
   • $$250$$ packages per hour

7. A rectangular support frame contains a diagonal brace. The frame is $$9$$ feet high and $$12$$ feet wide. To the nearest tenth of a foot, what is the length of the diagonal brace?

   • $$13.4$$ feet
   • $$15.0$$ feet
   • $$18.0$$ feet
   • $$21.0$$ feet

8. The graph represents a function $$y=g(x)$$. Which statement correctly describes the maximum or minimum value of the function?

   • The function has a maximum value of $$-1$$ when $$x=3$$.
   • The function has a maximum value of $$3$$ when $$x=-1$$.
   • The function has a minimum value of $$3$$ when $$x=-1$$.
   • The function has a minimum value of $$-1$$ when $$x=3$$.

9. A regional map uses a scale in which $$1.5$$ inches represents an actual distance of $$24$$ miles. Two towns are $$4.25$$ inches apart on the map.What is the actual distance, in miles, between the two towns?

   • $$42.5$$ miles
   • $$64$$ miles
   • $$68$$ miles
   • $$102$$ miles

10. During the past six months, a company's monthly revenue increased by $$32\%$$. The company's current monthly revenue is $$\$314{,}160$$.What was the company's monthly revenue six months ago?

    • $$\$214{,}000$$
    • $$\$238{,}000$$
    • $$\$251{,}328$$
    • $$\$414{,}691.20$$