Timed Mini Exam 6 — Timed Mini Exams

Questions in this quiz (10)

1. What is the median of the following 7 scores?48, 76, 29, 65, 29, 93, 54

   • $$48$$
   • $$54$$
   • $$65$$
   • $$76$$

2. What are the real solutions to the equation $$|x|^2-5|x|+4=0?$$

   • $$-4, 4$$
   • $$-1 , 4$$
   • $$1 , 4$$
   • $$-4, -1 , 1 , 4$$

3. In the diagram, triangles PQR and SPQ are right triangles sharing side PQ. Triangle PQR is right at P and has angle PRQ=50°. Triangle SPQ is right at Q and has angle PSQ=40°. Which of the following side ratios equals the ratio of the perimeter of triangle PQR to the perimeter of triangle SPQ?

   • PQ:PS
   • PR:SQ
   • QR:PS
   • PQ:SQ

4. In the figure, ABCDFG is a regular hexagon. The nonadjacent sides GF and CD are extended beyond D and F until they meet at point E. Find the measure of angle ∠E formed by the two extensions.

   • $$60^\circ$$
   • $$120^\circ$$
   • $$80^\circ$$
   • $$60^\circ$$

5. The edges of a cube are each 5 inches long. What is the surface area, in square inches, of this cube?

   • $$25$$
   • $$150$$
   • $$125$$
   • $$50$$

6. A value is increased by 40%, and then the result is reduced by 25%. What percentage of the original value is the final result?

   • $$105\%$$
   • $$15\%$$
   • $$65\%$$
   • $$115\%$$

7. If the product of two numbers is 1, then they are multiplicative inverses. Given that one number is greater than 1, what must be true about the other number?

   • Must be between 0 and 1
   • Must be negative
   • Must be greater than 1
   • Must be less than -1

8. The number line graph shows solid dots at -4 and 6 with shading to the left of -4 and to the right of 6. Which inequality does it represent?

   • $$x$$ ≤ $$-4$$ and $$x$$ ≥ $$6$$
   • $$x$$ ≤ $$-4$$ or $$x$$ ≥ $$6$$
   • $$-4$$ < $$x$$ < $$6$$
   • $$-4$$ ≤ $$x$$ ≤ $$6$$

9. During a lesson on fractions, Mr. Lopez performs a split-and-set-aside activity. He starts with some number of tiles, divides them equally into 3 parts, and sets aside 1 part. He repeats this process with the remaining tiles, again dividing into 3 equal parts and setting aside 1 part. He wants to repeat this process 4 full times without cutting any tiles. What is the smallest number of tiles he could start with?

   • $$27$$
   • $$48$$
   • $$81$$
   • $$108$$

10. Each graph shows a set of plotted points. One graph contains only points that satisfy the equation $$y=x^2+2.$$ Which graph is it?