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All threads in this forum: (192 Posts in 78 Threads) Post new Thread
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Pre-Calc, 4th and 3rd degree polynomials
Hi, I'm having trouble understanding the concept in graphing 3rd and 4th degree polynomials. I ...
Sycatech 2 93 Oct 9, 2009 7:03:33 PM
by Sycatech  Last Page
Graphing a sinousoidal function of a ferris wheel.
2. Write the equation for the horizontal motion on a Ferris wheel with radius 5 meters and goes ...
royhuff 1 144 Sep 28, 2009 8:26:42 AM
by pskinner  Last Page
Is it my textbook, or is it me?
I picked up the [i]Pre-Calculus Workbook for Dummies[/i] to give myself a refresher before heading ...
flansbmp 1 254 Jul 17, 2009 8:15:32 AM
by pskinner  Last Page
Help with parabolas and ellipses!!!!!
confused confused Find the equation of a parabola with its vertex at the origin if its focus is at ...
brendizzle17_90 1 557 Apr 25, 2009 8:34:21 AM
by pskinner  Last Page
Cubed root
how do you make a cubed root sign? im too lazy/ can't find out how to do it
93465 1 673 Feb 3, 2009 11:51:52 AM
by pskinner  Last Page
Finding an equation...
I'm doing a chapter one test in Precalculus Demystified and one of the questions is... Find an ...
EternalSummer247 1 666 Jan 15, 2009 11:03:56 AM
by pskinner  Last Page
Rewriting an Expression in the form a+bi
I have this problem: If we rewrite the expression 1/1-i - 1/i in the form a+bi (i^2=-1), ...
EternalSummer247 1 797 Dec 3, 2008 10:04:05 AM
by pskinner  Last Page
confused Irrational Numbers Question
Ok, so I bought this cool book on Pre-Calculus and am just now getting started. Chapter One is a ...
EternalSummer247 1 708 Nov 29, 2008 10:26:46 PM
by pskinner  Last Page
Having trouble solving some expressions
The exercise tells me to use a right triangle to write each expression as an algebraic expression. ...
kuntzesses 4 857 Oct 25, 2008 3:40:05 PM
by pskinner  Last Page
confused Absolute value expressions as piecewise expressions
Hi. Could you help me turn this into a piecewise expressions? y=|4x+1| + 2x - 3 Thanks.
Mercado 1 1873 Jul 27, 2008 11:05:05 PM
by pskinner  Last Page
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