| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.60 |
| Score | 0% | 72% |
A factor is a positive __________ that divides evenly into a given number.
integer |
|
fraction |
|
mixed number |
|
improper fraction |
A factor is a positive integer that divides evenly into a given number. For example, the factors of 8 are 1, 2, 4, and 8.
Which of the following is not a prime number?
5 |
|
2 |
|
7 |
|
9 |
A prime number is an integer greater than 1 that has no factors other than 1 and itself. Examples of prime numbers include 2, 3, 5, 7, and 11.
Convert b-4 to remove the negative exponent.
| \( \frac{1}{b^4} \) | |
| \( \frac{1}{b^{-4}} \) | |
| \( \frac{-1}{-4b^{4}} \) | |
| \( \frac{-1}{b^{-4}} \) |
To convert a negative exponent to a positive exponent, calculate the positive exponent then take the reciprocal.
What is -5y7 - 9y7?
| -14y7 | |
| 4y7 | |
| 4y14 | |
| 4y-14 |
To add or subtract terms with exponents, both the base and the exponent must be the same. In this case they are so subtract the coefficients and retain the base and exponent:
-5y7 - 9y7
(-5 - 9)y7
-14y7
How many 13-passenger vans will it take to drive all 39 members of the football team to an away game?
| 4 vans | |
| 5 vans | |
| 16 vans | |
| 3 vans |
Calculate the number of vans needed by dividing the number of people that need transported by the capacity of one van:
vans = \( \frac{39}{13} \) = 3