Timed Mini Exam 35 — Timed Mini Exams

Questions in this quiz (10)

1. Which list shows the numbers in order from least to greatest?

   • $$0.28,\ 0.7,\ \frac{3}{8},\ \frac{5}{6}$$
   • $$0.28,\ \frac{3}{8},\ 0.7,\ \frac{5}{6}$$
   • $$\frac{3}{8},\ 0.28,\ \frac{5}{6},\ 0.7$$
   • $$\frac{5}{6},\ 0.7,\ \frac{3}{8},\ 0.28$$

2. Which exponent makes the following equation true?$$\frac{\sqrt[3]{x}}{x\sqrt[4]{x}}=x^n$$

   • $$-\frac{11}{12}$$
   • $$-\frac{5}{12}$$
   • $$\frac{11}{12}$$
   • $$\frac{1}{12}$$

3. A fitness center charges a base fee of $$\$18$$ plus $$\$6$$ for each exercise class. A sales tax of $$7\%$$ is applied to the entire subtotal. Which function gives the total cost, in dollars, for attending $$x$$ classes?

   • $$f(x)=(18+6x)+0.07(18+6x)$$
   • $$f(x)=18+6x+0.07$$
   • $$f(x)=18+6x+0.07x$$
   • $$f(x)=18+6x+7(18+6x)$$

4. Solve for $$x$$:$$6x-11=43$$

   • $$x=7$$
   • $$x=8$$
   • $$x=9$$
   • $$x=11$$

5. A line passes through the point $$(-3,5)$$ and is perpendicular to the line $$y=\frac{1}{2}x-4$$. The equation of the perpendicular line is $$y=\underline{\hspace{1cm}}x-1$$. What number belongs in the blank?

   • $$-2$$
   • $$-\frac{1}{2}$$
   • $$\frac{1}{2}$$
   • $$2$$

6. $$2x^2+x-15=0$$What are all the solutions to the equation?

   • $$x=-5$$ and $$x=\frac{3}{2}$$
   • $$x=-3$$ and $$x=\frac{5}{2}$$
   • $$x=3$$ and $$x=-\frac{5}{2}$$
   • $$x=5$$ and $$x=-3$$

7. A company recorded the number of hours its employees spent working on computers each day. The minimum was $$1$$ hour, the maximum was $$8$$ hours, the first quartile was $$2$$ hours, the third quartile was $$5$$ hours, and the median was $$4.5$$ hours.At which value should the missing vertical median line be drawn on the box plot?

   • $$2$$
   • $$4$$
   • $$4.5$$
   • $$5$$

8. A trapezoid has an area of $$45$$ square centimeters. Its parallel bases measure $$8$$ centimeters and $$10$$ centimeters. What is the height, $$x$$, of the trapezoid?

   • $$4$$ centimeters
   • $$5$$ centimeters
   • $$8$$ centimeters
   • $$9$$ centimeters

9. The following table shows the number of ace serves recorded during several tennis matches:What is the median number of ace serves?

   • $$2$$
   • $$4$$
   • $$6$$
   • $$8$$

10. What is the difference between $$12.40$$ and $$3.76$$?

    • $$8.54$$
    • $$8.64$$
    • $$9.36$$
    • $$16.16$$