anonymous
  • anonymous
-2x-2>4 what is the solution set
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
add 2 to both sides
anonymous
  • anonymous
-2x>6
anonymous
  • anonymous
-2x > 6 nw multiply with -1 so inequatitly reversed 2x < -6 x < -3 Soln = (-infinit , -3)

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anonymous
  • anonymous
are they in ()'s or []'s
anonymous
  • anonymous
or different on each side?
anonymous
  • anonymous
??
goformit100
  • goformit100
@vikayefremova
anonymous
  • anonymous
??
anonymous
  • anonymous
|dw:1350960501648:dw|
anonymous
  • anonymous
\[\{x\ |\ x<-3, x \in \mathbb{R} \}\]
anonymous
  • anonymous
i got -infinity,-3 ,,, i just need to know when graphing would it be ] or )
anonymous
  • anonymous
at the negitave 3
anonymous
  • anonymous
its paranthesis at -3
anonymous
  • anonymous
thank you so much
anonymous
  • anonymous
np :)
anonymous
  • anonymous
can u by any chance tell me the real solutions for 20x^2+17x-10=0
anonymous
  • anonymous
ok do u know the quadratic formula?
anonymous
  • anonymous
not anymore. lol i can plug in though if you canwrite it out
anonymous
  • anonymous
or u can just give me the answer:) lol
anonymous
  • anonymous
haha smart. well its better to know the formula for your future reference. :) |dw:1350961093023:dw|
anonymous
  • anonymous
17+- square of 17^2-4(20)(-10) over 40 ??
anonymous
  • anonymous
this is really hRD
anonymous
  • anonymous
haha hold im trying to figure out if we can factor out the equation
anonymous
  • anonymous
so im thinking this mite be the factored form of the equation. (5x+5)(4x-2)=0
anonymous
  • anonymous
and then make it equation to zero and solve
anonymous
  • anonymous
|dw:1350962242728:dw|
anonymous
  • anonymous
get it?

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