| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.74 |
| Score | 0% | 75% |
A coordinate grid is composed of which of the following?
x-axis |
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all of these |
|
origin |
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y-axis |
The coordinate grid is composed of a horizontal x-axis and a vertical y-axis. The center of the grid, where the x-axis and y-axis meet, is called the origin.
The formula for the area of a circle is which of the following?
c = π d |
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c = π r |
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c = π r2 |
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c = π d2 |
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.
To multiply binomials, use the FOIL method. Which of the following is not a part of the FOIL method?
Last |
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First |
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Inside |
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Odd |
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.
If a = 4, b = 9, c = 3, and d = 4, what is the perimeter of this quadrilateral?
| 23 | |
| 20 | |
| 24 | |
| 26 |
Perimeter is equal to the sum of the four sides:
p = a + b + c + d
p = 4 + 9 + 3 + 4
p = 20
A right angle measures:
180° |
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45° |
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90° |
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360° |
A right angle measures 90 degrees and is the intersection of two perpendicular lines. In diagrams, a right angle is indicated by a small box completing a square with the perpendicular lines.