Timed Mini Exam 12 — Timed Mini Exams

Questions in this quiz (10)

1. The graph represents the enrollment in an annual professional training program for several nonconsecutive years. During which year was the difference between the number of men enrolled and the number of women enrolled the greatest?

   • $$2000$$
   • $$2002$$
   • $$2004$$
   • $$2006$$

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

   • $$2x-5y=27$$
   • $$2x+5y=27$$
   • $$5x-2y=36$$
   • $$2x-5y=-27$$

3. A jacket originally costs $$\$84$$. During a sale, the price is reduced by $$25\%$$. What is the sale price of the jacket before tax?

   • $$\$21$$
   • $$\$59$$
   • $$\$63$$
   • $$\$105$$

4. What are the two linear factors of the following polynomial?$$3x^2-12x$$

   • $$3x$$ and $$x-4$$
   • $$3x$$ and $$x+4$$
   • $$x$$ and $$3x-4$$
   • $$3$$ and $$x^2-4x$$

5. Line $$P$$ crosses the $$x$$-axis at the point $$(-6,0)$$. Line $$Q$$ is represented by the following equation:$$y=3x-12$$Which statement about the two lines must be true?

   • The $$x$$-intercept of line $$P$$ is closer to the origin than the $$x$$-intercept of line $$Q$$.
   • The $$x$$-coordinate of the $$x$$-intercept of line $$P$$ is smaller than the $$x$$-coordinate of the $$x$$-intercept of line $$Q$$.
   • The $$x$$-intercepts of both lines lie to the right of the $$y$$-axis.
   • The two lines have the same $$x$$-intercept.

6. An autonomous inspection vehicle travels at a constant speed. The vehicle covers $$210$$ kilometers during a period of $$14$$ hours. At what rate, in kilometers per hour, is the vehicle traveling?

   • $$12$$ kilometers per hour
   • $$14$$ kilometers per hour
   • $$15$$ kilometers per hour
   • $$16$$ kilometers per hour

7. The table shows several points on a line represented by $$y=mx+b$$.Based on the information in the table, what is the value of the slope $$m$$?

   • $$\frac{1}{2}$$
   • $$\frac{2}{3}$$
   • $$\frac{3}{2}$$
   • $$2$$

8. A teacher will randomly select two class representatives from a class of $$30$$ students. The class contains $$18$$ boys and $$12$$ girls. The two students are selected one at a time without replacement. What is the probability, rounded to the nearest whole percent, that both selected students are boys?

   • $$21\%$$
   • $$35\%$$
   • $$47\%$$
   • $$60\%$$

9. Solve the following equation for $$x$$:$$\frac{5}{6}x=20$$

   • $$16$$
   • $$20$$
   • $$24$$
   • $$25$$

10. Which of the following lines is parallel to the line represented by the following equation?$$y=-\frac{4}{7}x+3$$

    • $$y=\frac{4}{7}x-5$$
    • $$y=-\frac{7}{4}x+2$$
    • $$y=-\frac{4}{7}x-5$$
    • $$y=\frac{7}{4}x+3$$