The Purplemath Forums
Helping students gain understanding and self-confidence in algebra.
Advanced Algebra ("pre-calculus")
-
- Topics
- Replies
- Views
- Last post
-
- 3^(2n+1) + 2^(n+2) = A(n) / 7
by japiga on Sat Oct 09, 2010 12:37 pm - 1 Replies
- 627 Views
- Last post by Martingale
on Sat Oct 09, 2010 2:59 pm
- 3^(2n+1) + 2^(n+2) = A(n) / 7
-
- need held dividing x^2-10x+50/x^4-15x^3+50x^2+250x-2500
by dtrejo25 on Sat Oct 02, 2010 9:21 pm - 2 Replies
- 915 Views
- Last post by king&i
on Sun Oct 03, 2010 1:21 pm
- need held dividing x^2-10x+50/x^4-15x^3+50x^2+250x-2500
-
- Why are there two answers???
by mentu960 on Sun Sep 26, 2010 9:51 pm - 3 Replies
- 1061 Views
- Last post by stapel_eliz
on Tue Sep 28, 2010 12:54 am
- Why are there two answers???
-
- Can someone please help me solve this polynomial equation?
by rogermiranda on Sun Sep 26, 2010 4:31 pm - 2 Replies
- 888 Views
- Last post by Martingale
on Sun Sep 26, 2010 11:22 pm
- Can someone please help me solve this polynomial equation?
-
- 7/(n+9), 8/(n+10),9/(n+11),…. 31/(n+33)
1, 2by japiga on Thu Sep 23, 2010 8:28 am - 15 Replies
- 2865 Views
- Last post by japiga
on Sun Sep 26, 2010 8:38 am
- 7/(n+9), 8/(n+10),9/(n+11),…. 31/(n+33)
-
- solve algebraically
by mcpeakmelissa on Sat Sep 25, 2010 7:04 pm - 3 Replies
- 1536 Views
- Last post by little_dragon
on Sun Sep 26, 2010 10:35 pm
- solve algebraically
-
- Find equal sum: 1 + 2 + 3 = 1 * 2 * 3
by japiga on Thu Sep 23, 2010 11:48 am - 6 Replies
- 1195 Views
- Last post by japiga
on Sat Sep 25, 2010 6:14 pm
- Find equal sum: 1 + 2 + 3 = 1 * 2 * 3
-
- Sum of order: 1*2 + 2*3+ 3*4+....+ 999*1000
1, 2by japiga on Mon Sep 20, 2010 3:42 pm - 14 Replies
- 2702 Views
- Last post by japiga
on Thu Sep 23, 2010 8:03 am
- Sum of order: 1*2 + 2*3+ 3*4+....+ 999*1000
-
- Can someone help me simplify this radical expression?
by rogermiranda on Tue Sep 21, 2010 7:20 pm - 2 Replies
- 916 Views
- Last post by rogermiranda
on Wed Sep 22, 2010 12:38 pm
- Can someone help me simplify this radical expression?
-
- Diophantine equation? "McNuggets come in packs of 6, 9,..."
by Bug on Mon Sep 13, 2010 12:44 am - 2 Replies
- 2023 Views
- Last post by Bug
on Tue Sep 14, 2010 6:41 pm
- Diophantine equation? "McNuggets come in packs of 6, 9,..."
-
- given u=-28.593*ln(k)+144.76, empirically define c, j
by mdr on Tue Sep 14, 2010 1:54 am - 1 Replies
- 813 Views
- Last post by odysseus
on Tue Sep 14, 2010 11:15 am
- given u=-28.593*ln(k)+144.76, empirically define c, j
-
- Radicals and Rational exponents: 5*cbrt[16] + cbrt[54]
by EricA on Mon Sep 06, 2010 4:06 pm - 2 Replies
- 1076 Views
- Last post by EricA
on Mon Sep 06, 2010 5:43 pm
- Radicals and Rational exponents: 5*cbrt[16] + cbrt[54]
-
- Rbt drove there at 55, back at 45; took 2hrs longer back
by mi11ertime on Mon Sep 06, 2010 4:19 am - 1 Replies
- 663 Views
- Last post by andy44
on Mon Sep 06, 2010 4:40 pm
- Rbt drove there at 55, back at 45; took 2hrs longer back
-
- function Q: f(x)=2x+1, g(x)=2x^2-1, find g(-3), g(f(m+2))
by tdf2437 on Sun Aug 29, 2010 12:58 am - 2 Replies
- 807 Views
- Last post by stapel_eliz
on Sun Aug 29, 2010 11:08 am
- function Q: f(x)=2x+1, g(x)=2x^2-1, find g(-3), g(f(m+2))
-
- Odd Function Problem
1, 2, 3by burnbird16 on Sun Aug 22, 2010 9:58 pm - 29 Replies
- 4364 Views
- Last post by Martingale
on Mon Aug 23, 2010 3:04 am
- Odd Function Problem
-
- Inverse of a function: f(x) = 7x+3 over 8
by MissTracy03 on Mon Aug 09, 2010 2:21 pm - 1 Replies
- 977 Views
- Last post by Martingale
on Mon Aug 09, 2010 5:43 pm
- Inverse of a function: f(x) = 7x+3 over 8
-
- What can i do? Looking for advice on next year's class.
by Gordon on Wed Jul 28, 2010 9:06 pm - 3 Replies
- 1166 Views
- Last post by stapel_eliz
on Mon Aug 02, 2010 11:40 am
- What can i do? Looking for advice on next year's class.
-
- techniques for finding an expression for geometric seqeunces
by rogermiranda on Thu Jul 29, 2010 2:56 pm - 1 Replies
- 642 Views
- Last post by king&i
on Thu Jul 29, 2010 10:24 pm
- techniques for finding an expression for geometric seqeunces
-
- Logic and Proof techniques
by nakas12 on Tue Jul 27, 2010 4:55 pm - 1 Replies
- 1170 Views
- Last post by stapel_eliz
on Tue Jul 27, 2010 8:27 pm
- Logic and Proof techniques
-
- Writing number in index form with a prime number base?
by Trillian on Tue Jul 20, 2010 12:06 pm - 4 Replies
- 1403 Views
- Last post by stapel_eliz
on Wed Jul 21, 2010 1:36 pm
- Writing number in index form with a prime number base?
-
- (log x)^3= log x^3
by darovitz on Sat Jul 17, 2010 11:07 pm - 1 Replies
- 1248 Views
- Last post by car.man
on Sat Jul 17, 2010 11:26 pm
- (log x)^3= log x^3
-
- Find the zeroes of the function
by northstartwinkie on Sun Jul 11, 2010 6:21 am - 1 Replies
- 844 Views
- Last post by stapel_eliz
on Sun Jul 11, 2010 1:27 pm
- Find the zeroes of the function
-
- How do I find the nth term of this sequence?
by rogermiranda on Tue Jul 06, 2010 2:13 pm - 2 Replies
- 1051 Views
- Last post by stapel_eliz
on Tue Jul 06, 2010 3:28 pm
- How do I find the nth term of this sequence?
-
- Natural Log Help Please: Solve ln(x) + ln(x - 1) = 1 for x
by mrpersonality on Sun Jun 27, 2010 9:32 pm - 2 Replies
- 1288 Views
- Last post by mrpersonality
on Mon Jun 28, 2010 2:38 am
- Natural Log Help Please: Solve ln(x) + ln(x - 1) = 1 for x
-
- Natural Logirthm Unknown Value
by elipotvin on Tue Jun 22, 2010 4:39 pm - 1 Replies
- 723 Views
- Last post by stapel_eliz
on Tue Jun 22, 2010 8:09 pm
- Natural Logirthm Unknown Value
Forum permissions
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum