| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
A trapezoid is a quadrilateral with one set of __________ sides.
equal angle |
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right angle |
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equal length |
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parallel |
A trapezoid is a quadrilateral with one set of parallel sides.
What is 6a4 - 2a4?
| 4a4 | |
| 12a4 | |
| 8a8 | |
| 4 |
To combine like terms, add or subtract the coefficients (the numbers that come before the variables) of terms that have the same variable raised to the same exponent.
6a4 - 2a4 = 4a4
Which of the following expressions contains exactly two terms?
binomial |
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monomial |
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quadratic |
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polynomial |
A monomial contains one term, a binomial contains two terms, and a polynomial contains more than two terms.
On this circle, line segment CD is the:
chord |
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diameter |
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circumference |
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radius |
A circle is a figure in which each point around its perimeter is an equal distance from the center. The radius of a circle is the distance between the center and any point along its perimeter. A chord is a line segment that connects any two points along its perimeter. The diameter of a circle is the length of a chord that passes through the center of the circle and equals twice the circle's radius (2r).
What is the circumference of a circle with a diameter of 15?
| 15π | |
| 3π | |
| 12π | |
| 18π |
The formula for circumference is circle diameter x π:
c = πd
c = 15π