| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.26 |
| Score | 0% | 65% |
What is -9x5 x 8x5?
| -72x25 | |
| -72x0 | |
| -72x10 | |
| -72x5 |
To multiply terms with exponents, the base of both exponents must be the same. In this case they are so multiply the coefficients and add the exponents:
-9x5 x 8x5
(-9 x 8)x(5 + 5)
-72x10
Ezra loaned Jennifer $200 at an annual interest rate of 7%. If no payments are made, what is the total amount owed at the end of the first year?
| $214 | |
| $204 | |
| $212 | |
| $218 |
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 $200
i = 0.07 x $200
No payments were made so the total amount due is the original amount + the accumulated interest:
total = $200 + $14
| 1 | |
| 3.5 | |
| 4.8 | |
| 3.6 |
1
The __________ is the greatest factor that divides two integers.
greatest common multiple |
|
absolute value |
|
least common multiple |
|
greatest common factor |
The greatest common factor (GCF) is the greatest factor that divides two integers.
This property states taht the order of addition or multiplication does not mater. For example, 2 + 5 and 5 + 2 are equivalent.
associative |
|
commutative |
|
PEDMAS |
|
distributive |
The commutative property states that, when adding or multiplying numbers, the order in which they're added or multiplied does not matter. For example, 3 + 4 and 4 + 3 give the same result, as do 3 x 4 and 4 x 3.