| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
Ezra loaned Damon $700 at an annual interest rate of 4%. If no payments are made, what is the interest owed on this loan at the end of the first year?
| $28 | |
| $8 | |
| $70 | |
| $24 |
The yearly interest charged on this loan is the annual interest rate multiplied by the amount borrowed:
interest = annual interest rate x loan amount
i = (\( \frac{6}{100} \)) x $700
i = 0.04 x $700
i = $28
A tiger in a zoo has consumed 108 pounds of food in 9 days. If the tiger continues to eat at the same rate, in how many more days will its total food consumtion be 144 pounds?
| 2 | |
| 7 | |
| 3 | |
| 12 |
If the tiger has consumed 108 pounds of food in 9 days that's \( \frac{108}{9} \) = 12 pounds of food per day. The tiger needs to consume 144 - 108 = 36 more pounds of food to reach 144 pounds total. At 12 pounds of food per day that's \( \frac{36}{12} \) = 3 more days.
What is -8y2 + 2y2?
| -6y-4 | |
| -10y2 | |
| 10y-2 | |
| -6y2 |
To add or subtract terms with exponents, both the base and the exponent must be the same. In this case they are so add the coefficients and retain the base and exponent:
-8y2 + 2y2
(-8 + 2)y2
-6y2
A factor is a positive __________ that divides evenly into a given number.
mixed number |
|
fraction |
|
improper fraction |
|
integer |
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.
What is 8x6 - x6?
| 7x6 | |
| -7x-6 | |
| 9x-12 | |
| 9x36 |
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:
8x6 - 1x6
(8 - 1)x6
7x6