| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.63 |
| Score | 0% | 73% |
The formula for volume of a cube in terms of height (h), length (l), and width (w) is which of the following?
h x l x w |
|
h2 x l2 x w2 |
|
lw x wh + lh |
|
2lw x 2wh + 2lh |
A cube is a rectangular solid box with a height (h), length (l), and width (w). The volume is h x l x w and the surface area is 2lw x 2wh + 2lh.
If BD = 12 and AD = 18, AB = ?
| 13 | |
| 19 | |
| 6 | |
| 14 |
The entire length of this line is represented by AD which is AB + BD:
AD = AB + BD
Solving for AB:AB = AD - BDA trapezoid is a quadrilateral with one set of __________ sides.
parallel |
|
equal length |
|
right angle |
|
equal angle |
A trapezoid is a quadrilateral with one set of parallel sides.
Simplify (7a)(3ab) + (4a2)(7b).
| 49a2b | |
| 7ab2 | |
| 110ab2 | |
| -7ab2 |
To multiply monomials, multiply the coefficients (the numbers that come before the variables) of each term, add the exponents of like variables, and multiply the different variables together.
(7a)(3ab) + (4a2)(7b)
(7 x 3)(a x a x b) + (4 x 7)(a2 x b)
(21)(a1+1 x b) + (28)(a2b)
21a2b + 28a2b
49a2b
Simplify 7a x 4b.
| 28a2b2 | |
| 11ab | |
| 28\( \frac{a}{b} \) | |
| 28ab |
To multiply monomials, multiply the coefficients (the numbers that come before the variables) of each term, add the exponents of like variables, and multiply the different variables together.
7a x 4b = (7 x 4) (a x b) = 28ab