Question

Help pleaseeeeee
2. Which polynomial is 3x -1 a factor of?
A. 6x^2 + 10x -4
B. 6x^2 + 7x -6
C. 9x^2 + 3x -5
D. 9x^2 + 12x -3

Answer 1

a.

http://www.wolframalpha.com/input/?i=Which+polynomial+is+3x+-1+a+factor+of%3F+A.+6x%5E2+%2B+10x+-4+B.+6x%5E2+%2B+7x+-6+C.+9x%5E2+%2B+3x+-5+D.+9x%5E2+%2B+12x+-3

Answer 2

Hope this helps

Answer 3

@Daniela_Leah could you help with another?

Answer 4

give me one sec

Answer 5

sure

Answer 6

@danish071996

Answer 7

Option B.
Here is some high class proof!
http://www.wolframalpha.com/input/?i=Factor+x%5E3+%2B+2x%5E2+-+9x+-+18%2C+given+that+-2+is+a+zero