Timed Mini Exam 7 — Timed Mini Exams

Questions in this quiz (10)

1. Elena walks $$5$$ blocks south from her apartment to a pharmacy. She then walks $$3$$ blocks east from the pharmacy to a grocery store. After shopping, she returns to her apartment by retracing the same route. Each block is $$0.4$$ mile long. What is the total distance Elena walks?

   • $$3.2$$ miles
   • $$4.0$$ miles
   • $$6.4$$ miles
   • $$8.0$$ miles

2. A storage shed has a rectangular floor that measures $$3$$ feet by $$4$$ feet. A replacement shed will have a rectangular floor that measures $$5$$ feet by $$7$$ feet. How many square feet larger will the replacement floor be?

   • $$12$$ square feet
   • $$23$$ square feet
   • $$35$$ square feet
   • $$47$$ square feet

3. What is the area inside the square but outside the circle?

   • $$2.5$$ square meters
   • $$3.9$$ square meters
   • $$5.5$$ square meters
   • $$7.5$$ square meters

4. Jordan borrows $$\$7{,}200$$ at a simple annual interest rate of $$5\%$$. The loan will be repaid in equal monthly payments over $$4$$ years. What is the amount of each monthly payment?

   • $$\$150$$
   • $$\$172$$
   • $$\$180$$
   • $$\$200$$

5. One gas station charges $$\$3.46$$ per gallon, while another charges $$\$3.60$$ per gallon. How much will a driver save by purchasing $$16$$ gallons at the less expensive station?

   • $$\$1.40$$
   • $$\$2.14$$
   • $$\$2.24$$
   • $$\$2.56$$

6. Solve the equation:$$5(2x-3)=35$$

   • $$x=2$$
   • $$x=4$$
   • $$x=5$$
   • $$x=7$$

7. Simplify:$$\frac{2^3\cdot2^5}{2^2}$$

   • $$16$$
   • $$32$$
   • $$64$$
   • $$256$$

8. The function $$f$$ is defined by:$$f(x)=3x^2-2x+4$$What is the value of $$f(-2)$$?

   • $$4$$
   • $$12$$
   • $$20$$
   • $$24$$

9. A bag contains $$5$$ red tiles, $$7$$ blue tiles, and $$3$$ green tiles. One tile is selected at random. What is the probability that the selected tile is not blue?

   • $$\frac7{15}$$
   • $$\frac8{15}$$
   • $$\frac8{7}$$
   • $$\frac23$$

10. Consider the data set:$$7,\ 9,\ 12,\ 13,\ 15,\ 18,\ 21$$What is the median of the data set?

    • $$12$$
    • $$13$$
    • $$15$$
    • $$21$$