| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.81 |
| Score | 0% | 76% |
How many 14-passenger vans will it take to drive all 98 members of the football team to an away game?
| 5 vans | |
| 7 vans | |
| 12 vans | |
| 13 vans |
Calculate the number of vans needed by dividing the number of people that need transported by the capacity of one van:
vans = \( \frac{98}{14} \) = 7
Which of the following is not an integer?
\({1 \over 2}\) |
|
0 |
|
-1 |
|
1 |
An integer is any whole number, including zero. An integer can be either positive or negative. Examples include -77, -1, 0, 55, 119.
Which of these numbers is a factor of 36?
| 37 | |
| 11 | |
| 1 | |
| 24 |
The factors of a number are all positive integers that divide evenly into the number. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36.
How many hours does it take a car to travel 210 miles at an average speed of 30 miles per hour?
| 7 hours | |
| 5 hours | |
| 3 hours | |
| 9 hours |
Average speed in miles per hour is the number of miles traveled divided by the number of hours:
speed = \( \frac{\text{distance}}{\text{time}} \)Solving for time:
time = \( \frac{\text{distance}}{\text{speed}} \)
time = \( \frac{210mi}{30mph} \)
7 hours
What is \( \frac{8\sqrt{4}}{4\sqrt{2}} \)?
| 2 \( \sqrt{2} \) | |
| \(\frac{1}{2}\) \( \sqrt{2} \) | |
| \(\frac{1}{2}\) \( \sqrt{\frac{1}{2}} \) | |
| 2 \( \sqrt{\frac{1}{2}} \) |
To divide terms with radicals, divide the coefficients and radicands separately:
\( \frac{8\sqrt{4}}{4\sqrt{2}} \)
\( \frac{8}{4} \) \( \sqrt{\frac{4}{2}} \)
2 \( \sqrt{2} \)