Timed Mini Exam 2 — Timed Mini Exams

Questions in this quiz (10)

1. Two friends decide to start a cupcake delivery business. They must first purchase a special oven for 49.99 dollars. In addition, it costs them 3.00 dollars in ingredients and packaging to make each cupcake box. Which of the following expressions could be used to model the total cost of producing b boxes of cupcakes?

   • $$3+49.99b$$
   • $$49.99+3b$$
   • $$3-49.99b$$
   • $$49.99b-3$$

2. On the first day of summer camp, Ms. Lopez gave each camper 4 stickers. On each day of camp after that, she gave each camper 2 additional stickers. In the first 15 days of camp, how many stickers had each camper received in total?

   • $$14$$
   • $$32$$
   • $$15$$
   • $$8$$

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

   • $$9x^6y^4$$
   • $$3x^16y^4$$
   • $$9x^8y^4$$
   • $$9x^16y^4$$

4. Which of the following lists all the positive factors of 12?

   • $$2, 3, 4, 12$$
   • $$1, 2, 6, 12$$
   • $$1, 3, 4, 12$$
   • $$1, 2, 3, 4, 6, 12$$

5. Which of the following is an equivalent simplified expression for $$3(2x+5)-4(x-3)$$ ?

   • $$-2x+12$$
   • $$2x+2$$
   • $$2x+27$$
   • $$6x+12$$

6. To determine a student's overall project grade, Mr. Harris drops the lowest project score and takes the average of the remaining project scores. Sarah earned the following project scores this semester: 70, 82, 88, 91, and 95. What overall project grade did Sarah earn this semester?

   • $$91$$
   • $$90$$
   • $$87$$
   • $$89$$

7. City Gym charges a 50 sign up fee plus 40 per month for membership. Fit Club charges a 100 sign up fee plus 30 per month for membership. After how many months will the total cost of membership at City Gym be the same as the total cost at Fit Club?

   • $$5$$
   • $$10$$
   • $$15$$
   • $$3$$

8. In the 8-sided figure below, adjacent sides meet at right angles and the lengths given are in meters. What is the perimeter of the figure, in meters?

   • $$56$$
   • $$112$$
   • $$120$$
   • $$126$$

9. What is the value of the expression $$(a+b)^2$$ when $$a=7$$ and $$b=-2$$?

   • $$25$$
   • $$49$$
   • $$14$$
   • $$12$$

10. The sum of the real numbers $$p$$ and $$q$$ is 15. Their difference is 3. What is the value of $$pq$$?

    • $$14$$
    • $$24$$
    • $$54$$
    • $$20$$