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19.12.2019 •
Mathematics
write each polynomial in standard form
1. 4r + 3 - 9r^2 +7r
2. 10x^2+8-6x-10x^2
simplify each polynomial. write each in standard form.
hint: watch for the operation! add? subtract? or multiply?
3. (2v^3-v+8)+(-v^3+v-3)
4. (6s^4+7s^2+7)+(8s^4-11s^2+9s)
5. (4h^3+3h++6h-2)
6. (8z^3-3z^2--z^2+9)
7. 5k(3-4k)
8. 4m(2m+9m^2-6)
9. q(11+8q-2q^2 )
10. (x-2)(x+4)
11. (6g+7)(3g-8)
12. (x-1)^2
13. (4y+2)^2
factor out the gcf (greatest common factor)
hint: what can you divide every term by?
14. 3b^4-9b^2+6b
15. 4g^2+8g
16. 45c^5-63c^3+27
factor each polynomial.
hint: change from x^2+bx+c to (x+p)(x+q) where p and q are the factors of c that add to b.
17. x^2+8x+12
18. t^2-5t-14
19. p^2-20p+100
20. r^2+6r-40
21. x^2-13x-30
22. d^2-18d+45
it would be amazing if someone could answer these for my portfolio i need to do asap but i just can not figure these these are the questions for the unit 3 polynomial sample work for algebra 1 connections academy
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Ответ:
4x3 – 4x2 + 12x2 – 7x – 12x – 21. 4x3 + 8x2 – 19x – 21. That was painful! Now I'll do it vertically: 4x^2 – 4x – 7 is positioned above x + 3; first row. That was a lot easier! But, by either method, the answer is the same ...
Step-by-step explanation:
4x3 – 4x2 + 12x2 – 7x – 12x – 21. 4x3 + 8x2 – 19x – 21. That was painful! Now I'll do it vertically: 4x^2 – 4x – 7 is positioned above x + 3; first row. That was a lot easier! But, by either method, the answer is the same ...
Ответ:
3)0 to 9-add 9. 2 to 5-add 3. 4 to 1-subtract 3. 6 to -3- subtract 9. (Basically it's either add or subtract a number)
5)dunno, sry