| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.54 |
| Score | 0% | 71% |
Which of the following expressions contains exactly two terms?
polynomial |
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binomial |
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quadratic |
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monomial |
A monomial contains one term, a binomial contains two terms, and a polynomial contains more than two terms.
Breaking apart a quadratic expression into a pair of binomials is called:
squaring |
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deconstructing |
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normalizing |
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factoring |
To factor a quadratic expression, apply the FOIL (First, Outside, Inside, Last) method in reverse.
If a = 5 and z = 9, what is the value of -6a(a - z)?
| -392 | |
| 120 | |
| 56 | |
| -182 |
To solve this equation, 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.)
-6a(a - z)
-6(5)(5 - 9)
-6(5)(-4)
(-30)(-4)
120
Which types of triangles will always have at least two sides of equal length?
isosceles and right |
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equilateral and right |
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equilateral and isosceles |
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equilateral, isosceles and right |
An isosceles triangle has two sides of equal length. An equilateral triangle has three sides of equal length. In a right triangle, two sides meet at a right angle.
What is the circumference of a circle with a diameter of 11?
| 11π | |
| 38π | |
| 3π | |
| 10π |
The formula for circumference is circle diameter x π:
c = πd
c = 11π