| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 4.00 |
| Score | 0% | 80% |
Breaking apart a quadratic expression into a pair of binomials is called:
deconstructing |
|
squaring |
|
factoring |
|
normalizing |
To factor a quadratic expression, apply the FOIL (First, Outside, Inside, Last) method in reverse.
A quadrilateral is a shape with __________ sides.
2 |
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5 |
|
3 |
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4 |
A quadrilateral is a shape with four sides. The perimeter of a quadrilateral is the sum of the lengths of its four sides.
If BD = 13 and AD = 23, AB = ?
| 7 | |
| 19 | |
| 10 | |
| 3 |
The entire length of this line is represented by AD which is AB + BD:
AD = AB + BD
Solving for AB:AB = AD - BDWhat is 7a8 + 4a8?
| 11 | |
| a816 | |
| 28a16 | |
| 11a8 |
To combine like terms, add or subtract the coefficients (the numbers that come before the variables) of terms that have the same variable raised to the same exponent.
7a8 + 4a8 = 11a8
If a = 2, b = 2, c = 7, and d = 9, what is the perimeter of this quadrilateral?
| 16 | |
| 25 | |
| 19 | |
| 20 |
Perimeter is equal to the sum of the four sides:
p = a + b + c + d
p = 2 + 2 + 7 + 9
p = 20