| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.20 |
| Score | 0% | 64% |
The dimensions of this cylinder are height (h) = 3 and radius (r) = 3. What is the volume?
| 27π | |
| 98π | |
| 2π | |
| 4π |
The volume of a cylinder is πr2h:
v = πr2h
v = π(32 x 3)
v = 27π
What is the circumference of a circle with a radius of 3?
| 28π | |
| 6π | |
| 12π | |
| 16π |
The formula for circumference is circle diameter x π. Circle diameter is 2 x radius:
c = πd
c = π(2 * r)
c = π(2 * 3)
c = 6π
If AD = 25 and BD = 20, AB = ?
| 9 | |
| 5 | |
| 4 | |
| 1 |
The entire length of this line is represented by AD which is AB + BD:
AD = AB + BD
Solving for AB:AB = AD - BDIf a = c = 1, b = d = 9, and the blue angle = 50°, what is the area of this parallelogram?
| 18 | |
| 9 | |
| 14 | |
| 30 |
The area of a parallelogram is equal to its length x width:
a = l x w
a = a x b
a = 1 x 9
a = 9
The endpoints of this line segment are at (-2, -3) and (2, -1). What is the slope of this line?
| 2 | |
| -3 | |
| \(\frac{1}{2}\) | |
| 1 |
The slope of this line is the change in y divided by the change in x. The endpoints of this line segment are at (-2, -3) and (2, -1) so the slope becomes:
m = \( \frac{\Delta y}{\Delta x} \) = \( \frac{(-1.0) - (-3.0)}{(2) - (-2)} \) = \( \frac{2}{4} \)