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Falling_In_Katt
 one year ago
Which of the following expressions is a factor of the polynomial x ^ 2 +3/2 x  1?
A. x1/2
B. x2
C. x1
D. x+3/2
Falling_In_Katt
 one year ago
Which of the following expressions is a factor of the polynomial x ^ 2 +3/2 x  1? A. x1/2 B. x2 C. x1 D. x+3/2

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Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2Is it this? \(\large x^2+\frac{3}{2}x11\)?

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2Whoops, that's suppose to be 1 not 11

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2If you know synthetic division it would work great here

Falling_In_Katt
 one year ago
Best ResponseYou've already chosen the best response.0I have no clue how to do that.

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2Well synthetic division is another way of doing long division. All you have to do is take the coefficients of the polynomial and write in an upside down division bar like so: dw:1436559961111:dw Since the coefficients of \(x^2+3/2 x 1 \) are 1, 3/2, and 1 On left you put what you are dividing by, so let's try x1/2 \(x\frac{1}{2}=0 \) so \(x=\frac{1}{2} \) dw:1436560076049:dw

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2To solve, just bring down the first number: dw:1436560162906:dw Now just multiply by the left number and add it to the next number: dw:1436560201845:dw

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2And just continue on till you get to the end: dw:1436560295604:dw And if you end up getting 0, then it means that it is a factor, so \(\large x\frac{1}{2} \) is a factor.

Luigi0210
 one year ago
Best ResponseYou've already chosen the best response.2If you don't know synthetic division you can always go the quadratic formula way: \(\Large \frac{ b \pm \sqrt{b^2 4ac}}{2a}\) But knowing synthetic division would be great for you.
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