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burhan101
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When polynomial mx³3x²+nx+2 is divided by x+3, the remainder is 1. When it is divided by x2, the remainder is 4. Determine the values of 'm' and 'n'.
 2 years ago
 2 years ago
burhan101 Group Title
When polynomial mx³3x²+nx+2 is divided by x+3, the remainder is 1. When it is divided by x2, the remainder is 4. Determine the values of 'm' and 'n'.
 2 years ago
 2 years ago

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helder_edwin Group TitleBest ResponseYou've already chosen the best response.0
use synthetic division
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
are you familiar with the remainder theorem?
 2 years ago

helder_edwin Group TitleBest ResponseYou've already chosen the best response.0
that's better. sorry
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
dw:1347327495204:dw
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
and yes i am familiar with the remainder theorem, am i doing this right so far ?
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
now...just add 1 to both sides...to get something fun
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
dw:1347327616779:dw
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
right to..add 4 to both sides there
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
dw:1347327802473:dw
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
now i dont know what to do next
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
yes. now simplify those
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
27m 3n  24 = 0 everything is divisible by 3
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
8m + 2n  6 = 0 everything is divisible by 2
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
dw:1347327965579:dw
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
like that ?
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
or with the coeff
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
9m  n  8 = 0 4m + n  3 = 0 now you can do system of linear eqn
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
i can let is equal any number right ?
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
yes. you can also do elimination
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
let m=1 9(1)n8=0 9n8=0 n=9+8 n=17 subst. n=17 in 2nd equation 4m+173=0 4m+14=0 m= 7/2
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
that's an unorthodox method...
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
where did you learn that?
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
i dont know, i think im confusing it with something else
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
it's the plotting of points method...it doesn't work here lol
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
oh woops !
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
anyway... 9m  n  8 = 0 4m + n  3 = 0 try adding the equations...what do you get?
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
and now subst
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
right. so there you go
 2 years ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.1
thank you so much ! :)
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.3
welcome
 2 years ago
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