Emily778
How do I solve for x?
0=o.o3x^2+1.60x
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cebroski
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Hi, are you looking to solve this by hand or with a graphing calculator?
Emily778
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I just need step by step on how to do this.
AllTehMaffs
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\[0=0.03x^2+1.6x\]
\[0=(0.03x+1.6)x\]
So your two roots are given by
\[x=0\]
and
\[0.03x+1.6=0 \longrightarrow \text{solve for x}\]
does that make sense?
Emily778
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I don't get what to do next though? :(
Emily778
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PLEASE HELP I HAVE 18 OVERDUE LESSONS
nikato
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|dw:1384646533925:dw|
how would u solve for x
Emily778
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I don't remember.. OH, WAIT. Don't you subtract the i.6 from the zero?
Emily778
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1.6*
nikato
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yea, subtract 1.6 on both sides. then what do u do to isolate the x on the left side after u subtract
Emily778
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divide ?
Emily778
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thankyou
nikato
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yes, what do u get for x
Emily778
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okay, so I got -106.666666? How do I write that? Would it just be -106?
nikato
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are u sure u plugged the right numbers into ur calculator?
Emily778
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yep.
Emily778
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-3.2/0.03
nikato
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whre did u get -3.2
Emily778
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0-1.6
Emily778
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oh..Oops. :I Awkward
nikato
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yea, try again
Emily778
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Okay, I got -53.3333
nikato
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yea. and u can write that as -53 1/3 if u want.
so x=0 or -53 1/3
Emily778
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is that the answer?
nikato
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u'll have 2 answers for x
Emily778
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So should I write down both or just one?
nikato
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u should write down both becuz both ARE answers for x
Emily778
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Thankyou so much!
nikato
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your welcome!