View Full Version : precalc help
nickmelll
01-17-2008, 03:20 PM
can some on help me we are doing conic sections and i am suppose to graph xy=49 but i cant figure it out can anyone help
wilkin250r
01-17-2008, 03:31 PM
Solve it for "y".
y=49/x
If you can't graph that right away by recognizing the pattern, then make yourself a table.
When X=1, Y=49.
When X=2, Y=24.5
When X=3, Y= 16.333
When X=4, Y=12.25
With enough data points, you can sketch the line. Remember to include the negative values of X as well.
nickmelll
01-17-2008, 03:43 PM
thanx but its not suppose to make a line it is suppose to make a hyperbola.
Pipeless416
01-17-2008, 03:47 PM
Originally posted by nickmelll
thanx but its not suppose to make a line it is suppose to make a hyperbola.
y=49/x is a hyperbola.
parkers30
01-18-2008, 12:53 AM
a 'line' doesn't have to be straight :p
wilkin250r
01-18-2008, 02:00 AM
I'm trying to help you out, but if you insist on the grammatical technicalities:
"With enough data points, you can sketch the curve."
nickmelll
01-18-2008, 02:01 PM
Originally posted by wilkin250r
I'm trying to help you out, but if you insist on the grammatical technicalities:
"With enough data points, you can sketch the curve."
haha sorry idk wat i was thinking after i graphed it it worked thanx for the help
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