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Brooke2013
Group Title
Determine which binomial is a factor of 2x^3 + 14x^2  24x + 20
A.) x + 5
B.) x + 20
C.) x  24
D.) x  5
 one year ago
 one year ago
Brooke2013 Group Title
Determine which binomial is a factor of 2x^3 + 14x^2  24x + 20 A.) x + 5 B.) x + 20 C.) x  24 D.) x  5
 one year ago
 one year ago

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irkiz Group TitleBest ResponseYou've already chosen the best response.0
its mcq so its easy to solve X is definitely wrong coz X is not the same as x
 one year ago

irkiz Group TitleBest ResponseYou've already chosen the best response.0
if (x+5) is a factor, then x = 5 would make the equation 0
 one year ago

irkiz Group TitleBest ResponseYou've already chosen the best response.0
if (x5) is a factor, then x= 5 makes the equation 0
 one year ago

irkiz Group TitleBest ResponseYou've already chosen the best response.0
substitute x = 5 and x = 5 see which one makes it 0
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
Neither of them do.
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
There all 4 little x's I just didn't mean to make the two middle one's capital x's.
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
So I'll try the other two to see which one is right
 one year ago

irkiz Group TitleBest ResponseYou've already chosen the best response.0
i managed to find the answer by substituting a value
 one year ago

irkiz Group TitleBest ResponseYou've already chosen the best response.0
try x = 5 again
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
ok, I will
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
When I put the equation like this 2(5)^3 + 14(5)^2  24(5) + 20 I get 100 + 1900  120 + 20 and when you add it up it equals 4900
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
Is the answer x = 5 ?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
yes, x=5 is the root , so x5 is the factor.
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
So the answer is D ? x  5
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
I wish I understood how you got that bc I tried to plugg 5 into where the x's are and I got the answer 4900 not 0
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
5^3 = 125 125*2 = 250
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
5^2 = 25 25*14=350
 one year ago

Brooke2013 Group TitleBest ResponseYou've already chosen the best response.0
Ok, thanks :)
 one year ago
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