plz answer!! will give 10 points!!!?

Cookie - 2008-08-26 10:04:15 - Mathematics

Match them up Term: trinomial three two -1 Definition A) The coefficient of the first term in the polynomial 2x2y+3xy-1 is _?_ B) 2x2y+3xy-1 is an example of a _?_ C) The constant in the polynomial 2x2y+3xy-1 is _?_ D) 2x2y+3xy-1 is a polynomial of degree _?_ -------------------------------------------------------------------------------- Question 2 (Multiple Choice Worth 1.0 points) Simplify the following expression. 4x3(3x-5y+1) 4x3-9x3y+4x3 12x3-20x3y+4x3 12x4-20x3y+4x3 none of the above -------------------------------------------------------------------------------- Question 3 (Multiple Choice Worth 1.0 points) Subtract and simplify. (7xy-4x+6y-10)-(3xy+10x-5y+5) 4xy-14x+11y-15 4xy+6x+y-5 21xy-4xx-30y-50 none of the above -------------------------------------------------------------------------------- Question 4 (Multiple Choice) Multiply and simplify. (2x-3)(5x+3) 10x2-9 10x2-9x-9 7x2+6x-15x-9 none of the above -------------------------------------------------------------------------------- Question 5 (Multiple Choice Worth 1.0 points) Factor completely. 4x6-25 (2x3+5)(2x3-5) (2x3-5)(2x3-5) (2x3+5)(2x3+5) Prime -------------------------------------------------------------------------------- Question 6 (Multiple Choice Worth 1.0 points) Factor completely. One of the factors of the polynomial (x3-125) is_?_. (x+5) (x^2+5x+25) (x+5)2 none of the above -------------------------------------------------------------------------------- Question 7 (Multiple Choice Worth 1.0 points) Solve for x. One of the answers is _?_ 6x2-17x-14=0 x=-2 x=7/2 x=7 none of the above -------------------------------------------------------------------------------- Question 8 (Multiple Choice Worth 1.0 points) Solve for x. One of the answers is_?_ x2-5x-14=0 x=7 x=2 x=1 none of the above -------------------------------------------------------------------------------- Question 9 (Multiple Choice Worth 2.0 points) Divide the following polynomial. You may use synthetic division or long division as you like. (4x3-6x+5) divided by (x-2) 4x2+8x+10+25/(x-2) 4x2+2x+9 4x2+2+9/(x-2) none of the above -------------------------------------------------------------------------------- Question 10 (Multiple Choice) Factor the expression 24a2x2 - 150a2 completely. Select ALL of the factors in your FINAL answer from the choices below. 2a2 6a2 (2x + 5) (2x - 5) (4x2 - 25) -------------------------------------------------------------------------------- Question 11 (Multiple Choice Worth 2.0 points) Solve x2 - 9 = 0. Make sure you select the BEST answer. x=3 x=9 or -9 x=3 or -3 x=9

Best Answer:

Question 1: a) Two b) Trinomial c) -1 d) Three Question 2: 12x^4-20x^3y+4x^3 Question 3: 4xy-14x+11y-15 Question 4: 10x^2-9x-9 Question 5: Prime Question 6: None of the above Question 7: x=7/2 Question 8: x=7 and x=-2 Question 9: 4x^2+2x+9 Question 10: 6a^2 (2x - 5) (2x+5) Question 11: x=3 or -3

Answer:

From the time it took you to type these, you probably could've learned how to do them. Get some real help. seriously

Too much kid! Even the answer worth better than the 10 points. Use ur brain.

10 MINUTES ARE OVER AND YOU DID NOT AWARD BEST ANSWER FOR THIS QUETSION- http://answers.yahoo.com/question/index;_ylt=Aj66uoQ3CA1FPjM02piwspjsy6IX;_ylv=3?qid=20080826094440AALkzQ7show=7#profile-info-jfTY8M7Saa

1) A) Two B) Trinomial C) -1 D) Three 2) 12x^4 - 20x^3y + 4x^3 3) 4xy - 14x + 11y -15 4) 10x^2 - 9x - 9 5) (2x^3 - 5) (2x^3 + 5) 6) None 7) x = 7/2 8) x = 7 9) 4x^2 + 2x + 9 10) 6a^2 (2x - 5) (2x+5) 11) x = 3 or -3

Question 1: a) Two b) Trinomial c) -1 d) Three Question 2: 12x^4-20x^3y+4x^3 Question 3: 4xy-14x+11y-15 Question 4: 10x^2-9x-9 Question 5: Prime Question 6: None of the above Question 7: x=7/2 Question 8: x=7 and x=-2 Question 9: 4x^2+2x+9 Question 10: 6a^2 (2x - 5) (2x+5) Question 11: x=3 or -3