| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.38 |
| Score | 0% | 68% |
Which of the following is not a part of PEMDAS, the acronym for math order of operations?
pairs |
|
division |
|
addition |
|
exponents |
When solving an equation with two variables, replace the variables with the values given and then solve the now variable-free equation. (Remember order of operations, PEMDAS, Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)
A trapezoid is a quadrilateral with one set of __________ sides.
parallel |
|
right angle |
|
equal angle |
|
equal length |
A trapezoid is a quadrilateral with one set of parallel sides.
The formula for the area of a circle is which of the following?
c = π r |
|
c = π d2 |
|
c = π d |
|
c = π r2 |
The circumference of a circle is the distance around its perimeter and equals π (approx. 3.14159) x diameter: c = π d. The area of a circle is π x (radius)2 : a = π r2.
If a = c = 7, b = d = 8, what is the area of this rectangle?
| 4 | |
| 56 | |
| 45 | |
| 40 |
The area of a rectangle is equal to its length x width:
a = l x w
a = a x b
a = 7 x 8
a = 56
What is the circumference of a circle with a radius of 9?
| 38π | |
| 12π | |
| 18π | |
| 8π |
The formula for circumference is circle diameter x π. Circle diameter is 2 x radius:
c = πd
c = π(2 * r)
c = π(2 * 9)
c = 18π