Algebra 1 help.. Please?

1 year ago
Question 1 (Multiple Choice Worth 5 points)[7.01]Choose the correct classification of x^6 + 3x^3 by number of terms and by degree. Third degree polynomial Fourth degree trinomial Third degree binomial Sixth degree binomialQuestion 2 (Multiple Choice Worth 5 points)[7.01]Choose the polynomial that is written in standard form. xy^3 + 4x^5y + 10x^3 x^4y^2 + 4x^2y + 8x −9x^4y^2 + 4x^3y^5 + 10x^2 x^6y^3 + 4x^4y^8 + x^2Question 3 (Multiple Choice Worth 5 points)[7.02] Choose the correct sum of the polynomials (6x^3 − 8x − 5) + (3x^3 + 6x + 2). 9x^3 − 2x − 3 3x^3 + 2x + 3 3x^3 − 2x − 3 9x^3 + 14x + 3Question 4 (Multiple Choice Worth 5 points)[7.03] Identify the Exponent Law shown in the example below.(a^2)^3 = a^2*3 = a^6 Power of a Product Power of a Power Product of Powers None of the AboveQuestion 5 (Multiple Choice Worth 5 points)[7.03] Choose the correct simplification of the expression (2x^2y^6z^5)(5x^4y^5z^3). 10 x^8y^30z^15 7 x^6y^11z^8 7x^8y^30z^15 10x^6y^11z^8Question 6 (Multiple Choice Worth 5 points)[7.03] Choose the correct simplification of the expression (5a^7b)^2. 25a^14b^2 25a^9b^2 25a^14b 10a^14b^2Question 7 (Multiple Choice Worth 5 points)[7.03] Choose the correct simplification of the expression (2x^7y)^2(y^5)^3. 4x^7y^10 4x^9y^10 4x^14y^16 4x^14y^17Question 8 (Multiple Choice Worth 5 points)[7.04] Choose the correct simplification of the expression a to the 9th power times b to the 10th power all over a to the 2nd power times b to the 7th power. a^11b^17 1 over a to the 11th power times b to the 17th power 1 over a to the 7th power times b to the 3rd power a^7b^3Question 9 (Multiple Choice Worth 5 points)[7.04] Choose the correct simplification of the expression the quantity a to the 3rd power over b to the 7th power all raised to the 2nd power. a to the 5th power over b to the 9th power a over b to the 14th power a to the 6th power over b to the 14th power a^6b^14Question 10 (Multiple Choice Worth 5 points)[7.04] Choose the correct simplification of the expression 4 times b all over a to the power of negative 10. a to the 10th power times b all over 4 4a^10b 4 over a to the 10th power times b Already simplifiedQuestion 11 (Multiple Choice Worth 5 points)[7.04] Choose the correct simplification of the expression (−11x^3y^12z^3)^0. 0 6x^3y^12z^3 −11 1Question 12 (Multiple Choice Worth 5 points)[7.06] Choose the correct simplification of the expression −3x^2(5x − 4x^2 − 6). −7x^4 + 2x^3 − 9x^2 12x^4 − 15x^3 + 18x^2 12x^4 + 15x^3 + 18x^2 −12x^4 + 15x^3 − 18x^2Question 13 (Multiple Choice Worth 5 points)[7.06] Choose the correct simplification of the expression (−2x + 10y)(4x − 6y). −8x^2 − 52xy + 60y^2 −8x^2 + 52xy − 60y^2 8x^2 + 52xy − 60y^2 −8x^2 + 28xy − 60y^2Question 14 (Multiple Choice Worth 5 points)[7.06] Choose the correct simplification of the expression (2x − 6)(3x^2 − 3x − 6). 6x^3 − 24x^2 + 6x + 36 6x^3 − 24x^2 + 6x − 36 6x^3 + 24x^2 − 6x + 36 6x^3 − 24x^2 + 6x + 12Question 15 (Multiple Choice Worth 5 points)[7.07] Choose the correct product of (6x + 2)^2. 36x^2 − 4 36x^2 + 4 36x^2 − 24x + 4 36x^2 + 24x + 4Question 16 (Multiple Choice Worth 5 points)[7.07] Choose the correct product of (7x − 6)^2. 49x^2 + 84x + 36 49x^2 − 36 49x^2 + 36 49x^2 − 84x + 36Question 17 (Multiple Choice Worth 5 points)[7.07] Choose the correct product of (6x − 2)(6x + 2). 36x^2 + 4 36x^2 − 24x + 4 36x^2 + 24x + 4 36x^2 − 4Question 18 (Multiple Choice Worth 5 points)[7.08] Find the quotient of the quantity 21 times x to the 2nd power times y to the 6th power plus 6 times x times y to the 3rd power minus 30 times x times y all over 3 times x times y. 21x^2y^6 + 6xy^3 − 10 7xy^5 + 2y^2 + 10 7xy^5 + 2y^2 − 10 7xy^5 + 2^y − 10Question 19 (Multiple Choice Worth 5 points)[7.08] Find the quotient of the quantity negative 5 times x to the 3rd power plus 20 times x to the 2nd power minus 25 times x all over negative 5 times x. −5x^3 + 20x^2 + 5 x^2 − 4x + 5 −x^2 − 4x + 5 x^2 + 4x − 5Question 20 (Essay Worth 5 points)[7.02] Find the difference of (−5x^2 − x^3 − 3) − (9x^3 + 3x − 6x^2). Be sure to show all of your work in a neat and organized fashion.Use the ^ (shift 6) symbol to show an exponent. For example, x squared can be written as x^2.I realize it's a lot, but I really just don't understand it and I don't have much time to finish, so, please do help.. Thank you so much.
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Best Answer
1. 6th degree binomial (D)
2. x^4y^2 + 4x^2y + 8x (B)
3. 6x^3 - 8x - 5 + 3x^3 + 6x + 2 = 9x^3 - 2x - 3 (A)
4. product of powers (C)
5. (2x^2 y^6 z^5)(5x^4 y^5 z^3) = 10x^6 y^11 z^8 (D)
6. (5a^7b)^2 = (5a^7b)(5a^7b) = 25a^14b^2 (D)
7. (2x^7y)^2 (y^5)^3 = 4x^14y^2 y^15 = 4x^14 y^17 (D)
8. (a^9 * b^10) / (a^2 * b^7) = a^7b^3 (D)
9. (a^3/b^7)^2 = (a^6)/(b^14) (C)
10. (4*b)/a^-10 = 4a^10b (B)
11. (-11x^3y^12z^3)^0 = 1 (D)
12. -3x^2 (5x - 4x^2 - 6) = 12x^4 - 15x^3 + 18x^2 (B)
13. (-2x + 10y)(4x - 6y) = -8x^2 + 52xy - 60y^2 (B)
14. (2x - 6)(3x^2 - 3x - 6) = 6x^3 - 24x^2 + 6x + 36 (A)
15. (6x + 2)^2 = (6x + 2)(6x + 2) = 36x^2 + 24x + 4 (D)
16. (7x - 6)^2 = (7x - 6)(7x - 6) = 49x^2 - 84x + 36 (D)
17. (6x - 2)(6x+ 2) = 36x^2 - 4 (D)
18. ??
19. ((-5)(x^3) + 20(x^2) - 25(x)) / -5x = x^2 - 4x + 5 (C)
20. (-5x^2 - x^3 - 3) - (9x^3 + 3x - 6x^2) = -10x^3 + x^2 - 3x - 3
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