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# Forum: Pre-Algebra and Algebra

Factorization, Properties of operations, Evaluating expressions, Variable manipulations, Equations

2. ### Two methods for deriving the quadratic formula that I was not taught in school

• Replies: 1
• Views: 4,441
September 11th, 2013, 08:53
3. ### Algebra Do's and Don't's

• Replies: 0
• Views: 4,619
July 5th, 2012, 13:04

2. ### Redistribution of percents

• Replies: 1
• Views: 191
October 19th, 2017, 08:40
3. ### Interest Rates of Loans

• Replies: 2
• Views: 243
October 16th, 2017, 16:32
4. ### Age Problem 4

• Replies: 6
• Views: 494
October 16th, 2017, 11:58
5. ### Arithmetic Sequence Confusion // a{n-1} and a{n+1}

• Replies: 1
• Views: 226
October 14th, 2017, 08:26
6. ### Powers...(again)

• Replies: 5
• Views: 397
October 11th, 2017, 09:04
7. ### convert blueprint measurements to usable feet and inches.

• Replies: 1
• Views: 287
October 9th, 2017, 16:12

• Replies: 4
• Views: 506
September 22nd, 2017, 17:49
9. ### A question about powers

• Replies: 2
• Views: 251
September 18th, 2017, 08:34
10. ### calculation 2 equations

• Replies: 1
• Views: 228
September 6th, 2017, 08:50
11. ### Age Problem 5

• Replies: 2
• Views: 272
August 29th, 2017, 22:26
12. ### Age Problem 2

• Replies: 6
• Views: 464
August 28th, 2017, 22:39
13. ### Help writing an equation

• Replies: 4
• Views: 350
August 28th, 2017, 13:14
14. ### Age Problem 3

• Replies: 2
• Views: 205
August 27th, 2017, 14:13
15. ### logs

• Replies: 6
• Views: 517
August 24th, 2017, 05:43
16. ### natural logs

• Replies: 3
• Views: 270
August 24th, 2017, 05:23
17. ### Salary build up

• Replies: 1
• Views: 253
August 8th, 2017, 08:23
18. ### Negative numbers with fraction problem

• Replies: 9
• Views: 606
August 8th, 2017, 06:17
19. ### Spy Code Help Needed

• Replies: 0
• Views: 415
July 10th, 2017, 16:39
20. ### pythagorean theorem

• Replies: 1
• Views: 277
July 10th, 2017, 12:36
21. ### How many integers?

• Replies: 2
• Views: 402
June 18th, 2017, 08:10
22. ### How many minutes does it take 14 people to paint 14 walls

• Replies: 2
• Views: 1,343
June 7th, 2017, 07:34
23. ### Fraction Multiplication

• Replies: 3
• Views: 367
May 27th, 2017, 21:11
24. ### Exponential Equation!

• Replies: 2
• Views: 356
May 24th, 2017, 09:06
25. ### Need help with ratio problem!

• Replies: 1
• Views: 368
May 23rd, 2017, 19:22

• Replies: 2
• Views: 353
May 19th, 2017, 23:39

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