| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.20 |
| Score | 0% | 64% |
The dimensions of this cylinder are height (h) = 9 and radius (r) = 8. What is the volume?
| 9π | |
| 576π | |
| 320π | |
| 125π |
The volume of a cylinder is πr2h:
v = πr2h
v = π(82 x 9)
v = 576π
Solve -5c + 2c = 7c + z + 4 for c in terms of z.
| \(\frac{1}{12}\)z - \(\frac{1}{3}\) | |
| -\(\frac{1}{18}\)z - \(\frac{1}{2}\) | |
| \(\frac{3}{16}\)z + \(\frac{5}{16}\) | |
| -4z - 2 |
To solve this equation, isolate the variable for which you are solving (c) on one side of the equation and put everything else on the other side.
-5c + 2z = 7c + z + 4
-5c = 7c + z + 4 - 2z
-5c - 7c = z + 4 - 2z
-12c = -z + 4
c = \( \frac{-z + 4}{-12} \)
c = \( \frac{-z}{-12} \) + \( \frac{4}{-12} \)
c = \(\frac{1}{12}\)z - \(\frac{1}{3}\)
What is the area of a circle with a diameter of 8?
| 4π | |
| 16π | |
| 25π | |
| 3π |
The formula for area is πr2. Radius is circle \( \frac{diameter}{2} \):
r = \( \frac{d}{2} \)
r = \( \frac{8}{2} \)
r = 4
a = πr2
a = π(42)
a = 16π
A trapezoid is a quadrilateral with one set of __________ sides.
equal length |
|
right angle |
|
equal angle |
|
parallel |
A trapezoid is a quadrilateral with one set of parallel sides.
To multiply binomials, use the FOIL method. Which of the following is not a part of the FOIL method?
First |
|
Odd |
|
Inside |
|
Last |
To multiply binomials, use the FOIL method. FOIL stands for First, Outside, Inside, Last and refers to the position of each term in the parentheses.