the average of the polynomials 2x2 =5x- 6, 5x2 - 5x- and 30 -7x2 is:
- 14
- 6
- 18
- 5x
Explanation
First, we find the sum of the three polynomials, than divide the answer by 3.
Sum of the three polynomials
2x2 + 5x – 6
5x2 – 5x – 6
-7x2 + 30 / 18
Now, Average = Sum of the three polynomials / 3
= 18 / 3 = 6
so. the answer is 6.
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- 8
- 8.5
- 9
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