| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.21 |
| Score | 0% | 64% |
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 |
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2lw x 2wh + 2lh |
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lw x wh + lh |
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h2 x l2 x w2 |
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.
Solve for y:
-6y + 1 = -8 - 3y
| 3 | |
| -\(\frac{1}{3}\) | |
| -2\(\frac{1}{4}\) | |
| -\(\frac{1}{2}\) |
To solve this equation, repeatedly do the same thing to both sides of the equation until the variable is isolated on one side of the equal sign and the answer on the other.
-6y + 1 = -8 - 3y
-6y = -8 - 3y - 1
-6y + 3y = -8 - 1
-3y = -9
y = \( \frac{-9}{-3} \)
y = 3
If the base of this triangle is 3 and the height is 5, what is the area?
| 7\(\frac{1}{2}\) | |
| 25 | |
| 45 | |
| 36 |
The area of a triangle is equal to ½ base x height:
a = ½bh
a = ½ x 3 x 5 = \( \frac{15}{2} \) = 7\(\frac{1}{2}\)
Which of the following expressions contains exactly two terms?
polynomial |
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binomial |
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quadratic |
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monomial |
A monomial contains one term, a binomial contains two terms, and a polynomial contains more than two terms.
Which types of triangles will always have at least two sides of equal length?
isosceles and right |
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equilateral and isosceles |
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equilateral, isosceles and right |
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equilateral and right |
An isosceles triangle has two sides of equal length. An equilateral triangle has three sides of equal length. In a right triangle, two sides meet at a right angle.