anonymous
  • anonymous
2x^2+12x+k k>0 Find all values of "k" so that the trinomial can be factored as two binomials using integers? show work.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
ok break up 12 into as many sums as u can
anonymous
  • anonymous
0+12 1+11 2+10 and so on
amistre64
  • amistre64
1,12;2,6;3,4

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amistre64
  • amistre64
ack!!...wrong thought lol
amistre64
  • amistre64
x+y = 12 looks like the equation of a line...
anonymous
  • anonymous
suppose ur pair is a+b, then if ab is even, u can evaluate k=ab/2
anonymous
  • anonymous
get it
anonymous
  • anonymous
no not really
anonymous
  • anonymous
just break up 12 into pairs of sums
anonymous
  • anonymous
like 0 + 12 1+11 2+10 and so on
anonymous
  • anonymous
and then multiply the 2 terms in each of the pairs and divide them by 2 to get k
anonymous
  • anonymous
i still dont get it.....
anonymous
  • anonymous
c wat do u do while factoring a quadratic eqn like this
anonymous
  • anonymous
lets say its x^2 + 5x +6
anonymous
  • anonymous
we dont use the quadratic equation at all until my junior year im only a freshmen
anonymous
  • anonymous
hey this is called a quadratic equation..u just dunno the name
anonymous
  • anonymous
my teacher doesnt want us useing quadratic equation to solve these
anonymous
  • anonymous
so when u factor this expression out...u first multiply the c oefficient of the first term with the third
anonymous
  • anonymous
u just lisn 2 me..were not using em
anonymous
  • anonymous
i am listening sorry im confused
anonymous
  • anonymous
no prob..
anonymous
  • anonymous
when u factor this expression out...u first multiply the c oefficient of the first term with the third..and then u break the middle term into a sum, for eg if its x^2 + 5x + 6 the product is 1x6=6 so we break 5x into 2x + 3x, see 2.3 is 6 the same as 1.6 , dont we do that?
anonymous
  • anonymous
u get it??like i did so many yesterday
anonymous
  • anonymous
no i dont get it
anonymous
  • anonymous
then m really sorry..i dont know how tto explain it..it really breaks my heart..bt ill giv u some advice
anonymous
  • anonymous
try doing the factoring out questions urself...like i did ystrde..ul learn a lot..try noticing how ur factoring..
anonymous
  • anonymous
i dont even know how to start htem so kinda hard to do something when your teacher that gets paid to teach doesnt teach at all
anonymous
  • anonymous
shall i teach u?
anonymous
  • anonymous
frm d start?
anonymous
  • anonymous
you dont know any other way to explain this and im still confused

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