| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.49 |
| Score | 0% | 70% |
The formula for volume of a cube in terms of height (h), length (l), and width (w) is which of the following?
2lw x 2wh + 2lh |
|
h x l x w |
|
h2 x l2 x w2 |
|
lw x wh + lh |
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.
Breaking apart a quadratic expression into a pair of binomials is called:
deconstructing |
|
squaring |
|
factoring |
|
normalizing |
To factor a quadratic expression, apply the FOIL (First, Outside, Inside, Last) method in reverse.
What is the circumference of a circle with a diameter of 5?
| 9π | |
| 18π | |
| 34π | |
| 5π |
The formula for circumference is circle diameter x π:
c = πd
c = 5π
A trapezoid is a quadrilateral with one set of __________ sides.
parallel |
|
equal length |
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equal angle |
|
right angle |
A trapezoid is a quadrilateral with one set of parallel sides.
Simplify (7a)(3ab) + (7a2)(6b).
| 63a2b | |
| 21ab2 | |
| 63ab2 | |
| 21a2b |
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) + (7a2)(6b)
(7 x 3)(a x a x b) + (7 x 6)(a2 x b)
(21)(a1+1 x b) + (42)(a2b)
21a2b + 42a2b
63a2b