| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
What is the circumference of a circle with a radius of 11?
| 11π | |
| 22π | |
| 14π | |
| 19π |
The formula for circumference is circle diameter x π. Circle diameter is 2 x radius:
c = πd
c = π(2 * r)
c = π(2 * 11)
c = 22π
Which of the following expressions contains exactly two terms?
quadratic |
|
monomial |
|
polynomial |
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binomial |
A monomial contains one term, a binomial contains two terms, and a polynomial contains more than two terms.
Solve for z:
3z - 2 < 8 + z
| z < 5 | |
| z < \(\frac{1}{4}\) | |
| z < -1\(\frac{2}{5}\) | |
| z < -\(\frac{5}{6}\) |
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 < sign and the answer on the other.
3z - 2 < 8 + z
3z < 8 + z + 2
3z - z < 8 + 2
2z < 10
z < \( \frac{10}{2} \)
z < 5
If side x = 8cm, side y = 10cm, and side z = 8cm what is the perimeter of this triangle?
| 29cm | |
| 32cm | |
| 26cm | |
| 27cm |
The perimeter of a triangle is the sum of the lengths of its sides:
p = x + y + z
p = 8cm + 10cm + 8cm = 26cm
Which of the following statements about a parallelogram is not true?
opposite sides and adjacent angles are equal |
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the perimeter of a parallelogram is the sum of the lengths of all sides |
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a parallelogram is a quadrilateral |
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the area of a parallelogram is base x height |
A parallelogram is a quadrilateral with two sets of parallel sides. Opposite sides (a = c, b = d) and angles (red = red, blue = blue) are equal. The area of a parallelogram is base x height and the perimeter is the sum of the lengths of all sides (a + b + c + d).