anonymous
  • anonymous
How do I solve for x? 0=o.o3x^2+1.60x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Hi, are you looking to solve this by hand or with a graphing calculator?
anonymous
  • anonymous
I just need step by step on how to do this.
anonymous
  • anonymous
\[0=0.03x^2+1.6x\] \[0=(0.03x+1.6)x\] So your two roots are given by \[x=0\] and \[0.03x+1.6=0 \longrightarrow \text{solve for x}\] does that make sense?

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anonymous
  • anonymous
I don't get what to do next though? :(
anonymous
  • anonymous
PLEASE HELP I HAVE 18 OVERDUE LESSONS
nikato
  • nikato
|dw:1384646533925:dw| how would u solve for x
anonymous
  • anonymous
I don't remember.. OH, WAIT. Don't you subtract the i.6 from the zero?
anonymous
  • anonymous
1.6*
nikato
  • nikato
yea, subtract 1.6 on both sides. then what do u do to isolate the x on the left side after u subtract
anonymous
  • anonymous
divide ?
anonymous
  • anonymous
thankyou
nikato
  • nikato
yes, what do u get for x
anonymous
  • anonymous
okay, so I got -106.666666? How do I write that? Would it just be -106?
nikato
  • nikato
are u sure u plugged the right numbers into ur calculator?
anonymous
  • anonymous
yep.
anonymous
  • anonymous
-3.2/0.03
nikato
  • nikato
whre did u get -3.2
anonymous
  • anonymous
0-1.6
anonymous
  • anonymous
oh..Oops. :I Awkward
nikato
  • nikato
yea, try again
anonymous
  • anonymous
Okay, I got -53.3333
nikato
  • nikato
yea. and u can write that as -53 1/3 if u want. so x=0 or -53 1/3
anonymous
  • anonymous
is that the answer?
nikato
  • nikato
u'll have 2 answers for x
anonymous
  • anonymous
So should I write down both or just one?
nikato
  • nikato
u should write down both becuz both ARE answers for x
anonymous
  • anonymous
Thankyou so much!
nikato
  • nikato
your welcome!

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