Mini Exam 5 — Timed Mini Exams

Questions in this quiz (10)

1. If the equation $$y=2x^2-5x+3$$ is graphed in the $$xy$$-plane, what is the value of its $$y$$-intercept?

   • 3

2. $$3x+y=13$$ $$2x-4y=18$$The solution to the system of equations above is $$(x,y)$$. What is the value of $$x$$?

   • 5

3. A group of 12 friends went bowling. They each rented shoes for $$\$3.00$$ a pair, and 4 friends bowled 2 games each, while 8 friends bowled 3 games each. Each game bowled costs each person the same amount. The total cost for the shoe rentals and the games bowled was $$\$212.00$$. What was the cost, in dollars, of each game bowled?

   • $$4.25$$
   • $$5.50$$
   • $$5.75$$
   • $$6.25$$

4. Charissa ordered 3 cans of lemonade for each person at her party. She also ordered 1 pizza for every 4 people. If she ordered 6 pizzas, which of the following could be the number of cans of lemonade she ordered?

   • 36
   • 48
   • 60
   • 72

5. A bakery sells trays of cookies. Each tray contains at least 50 cookies but no more than 60. Which of the following could be the total number of cookies on 4 trays of cookies?

   • 165
   • 205
   • 245
   • 285

6. A survey taken by 1,000 students at a school asked whether they played school sports. How many of the males surveyed responded that they do not play a school sport?

   • 109
   • 252
   • 468
   • 688

7. A waiter receives tips from each customer. On average, the tip is 15% of the customer's bill. At this rate, which of the following is closest to the tip the waiter can expect when a customer has a bill that is $$\$78.20$$?

   • $8.00
   • $10.00
   • $12.00
   • $14.00

8. The table below shows the high and low temperatures in Houston, Texas, during a five-day period. What was the mean low temperature, in degrees Fahrenheit, during the five-day period?

   • 48.8
   • 49
   • 59
   • 59.1

9. A random sample of 50 people from a town with a population of 14,878 were asked to name their favorite flavor of ice cream. If 7 people in the sample named chocolate as their favorite ice-cream flavor, about how many people in the town would be expected to name chocolate?

   • $$350$$
   • $$2,100$$
   • $$7,500$$
   • $$10,500$$

10. A study was done to determine a new car's stopping distance when it was traveling at different speeds. According to the quadratic model shown in the graph, which of the following is the best estimate for the stopping distance, in feet, if the vehicle was traveling 55 miles per hour?

    • 25
    • 30
    • 210
    • 250