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# Pre-Calculus Forum

Pre-Calculus Help Forum: Pre-calculus does not involve calculus, but explores topics that will be applied in calculus

1. ### This forum is for PRE-Calculus. READ BEFORE POSTING

• Replies: 25
• Views: 10,626
Oct 1st 2011, 05:08 AM
2. ### Read this before posting in this subforum.

• Replies: 0
• Views: 3,332
Aug 14th 2010, 02:52 PM
1. ### How to factor (x^3 + 8) ?

• Replies: 2
• Views: 260,766
Sep 14th 2009, 09:27 PM
2. ### Does (ln x)^2 = ln x^2?

• Replies: 7
• Views: 68,392
Dec 7th 2007, 05:46 AM
3. ### Finding a point on a line closest to a given point

• Replies: 4
• Views: 22,367
Oct 6th 2007, 12:21 AM
4. ### How to find the y-intercept and slope.

• Replies: 3
• Views: 21,001
Dec 2nd 2007, 08:52 PM
5. ### Solve: tan2x + tan x = 0

• Replies: 10
• Views: 20,406
Feb 5th 2013, 08:58 AM
6. ### Integral of (sinx+cosx)^2

• Replies: 2
• Views: 19,320
Jan 24th 2009, 06:41 AM
7. ### Find expressions for the quadratic functions whose graphs are shown.

• Replies: 7
• Views: 16,802
Sep 10th 2009, 03:07 PM
8. ### How to find inverse of polynomial equation?

• Replies: 11
• Views: 15,579
Apr 28th 2010, 08:03 PM
9. ### e2x=0

• Replies: 8
• Views: 15,015
Sep 24th 2013, 06:16 AM
10. ### Find the unit vector perpendicular to the plane of 2 vector

• Replies: 11
• Views: 14,577
Dec 23rd 2009, 01:30 AM
11. ### Word problem: Cost function, Revenue Function, Profit function.

• Replies: 20
• Views: 14,460
Nov 27th 2012, 05:28 AM
12. ### Set Notation for Domain and Range

• Replies: 7
• Views: 14,138
Mar 6th 2006, 12:14 AM
13. ### Rotated ellipse equation sought

• Replies: 4
• Views: 14,001
Mar 16th 2008, 05:14 PM
14. ### Showing that the equation has real roots for all real values of 'k'

• Replies: 7
• Views: 13,469
Feb 10th 2011, 08:34 PM
15. ### How to convert cartesian to parametric ( VECTOR, PLANES)

• Replies: 3
• Views: 12,927
Sep 1st 2008, 03:21 AM
16. ### sinh(x) and cosh(x)

• Replies: 2
• Views: 12,372
Jun 13th 2011, 08:37 AM
17. ### express area of equilateral triangle as function of one side s???

• Replies: 3
• Views: 12,195
May 2nd 2012, 06:50 AM
18. ### Vector in ai+bj Form

• Replies: 4
• Views: 12,011
May 26th 2011, 04:24 AM
19. ### Norman window problem

• Replies: 1
• Views: 11,835
Aug 31st 2008, 08:54 PM

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