Problema Solution
1. Short Answer. State the degree of the given polynomial:
7x7 – 8x6 – 5x5 – 9
(Points : 3)
7x7 – 8x6 – 5x5 – 9
answer is 7
2. List the coefficients of the given polynomial: 6x3 – x2 + x + 7
(Points : 3)
6, 1, 1
6, -1, 1
3, 2, 1
6, -1, 1, 7
3. Choose the best response to describe the polynomial: x3 – 7x2 + 3
(Points : 3)
It has a leading coefficient of 1.
It is a binomial.
It is of degree 7.
It can be simplified by combining like terms.
4. Add the following: (-7x2 – 7x + 1) + (-2x2 + 8x + 9)
(Points : 3)
-9x4 + x2 + 10
-9x2 – 15x + 10
9x2 + x + 10
-9x2 + x + 10
5. Short Answer. Add the following: (6.1x2 – 8.3x – 0.2) + (-7.8x2 – 0.8x + 7.3)
(Points : 3)
(6.1x2 - 8.3x - 0.2) + (-7.8x2 - 0.8x + 7.3)
= -1.7x2 -9.1x - 7.1
6. Essay question: show all work. Find the difference:
(-8x2 – 8x – 4) – (-2x2 – 7x + 3)
Answer provided by our tutors
1. The degree of this polynomial is 7
2. 6, -1, 1, 7
3. it has a leading coefficient of 1
4. Add the following: (-7x2 - 7x + 1) + (-2x2 + 8x + 9)
answer: -9x2 +x +10
5. Short Answer. Add the following: (6.1x2 - 8.3x - 0.2) + (-7.8x2- 0.8x + 7.3)
(6.1x2 - 8.3x - 0.2) + (-7.8x2 - 0.8x + 7.3)
= -1.7x2 -9.1x - 7.1
6. Essay question: show all work. Find the difference:
(-8x2 - 8x - 4) - (-2x2 - 7x + 3)
-8x2+2x2-8x+7x-4-3
-6x2 - x - 7 --> final answer
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