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by dragonwench
Tue Oct 20, 2009 3:07 am
Forum: Intermediate Algebra
Topic: Solving An Equation
Replies: 4
Views: 2127

Re: Solving An Equation

I know that the sum of 9+4 =13 and 9*4 =36, but it is a negative 13 and negative 36. I am not seeing how I can use these numbers when I check my problem using various combinations using the FOIl method. Do you think it is Prime? Or is it a combination of 4 and 9 or something else? If you are SURE t...
by dragonwench
Tue Oct 20, 2009 2:54 am
Forum: Beginning Algebra
Topic: a dumb 2 step equation i always mess up. help?
Replies: 3
Views: 2140

Re: a dumb 2 step equation i always mess up. help?

if three times jills bowling score is increased by 100 less than twice her score, the result is 900. find her score Ok- So the first thing you need to figure out is "What are you solving for?" =x and then what do you already know? so what does X represent? and you know What is increased b...
by dragonwench
Tue Oct 20, 2009 2:47 am
Forum: Intermediate Algebra
Topic: Solving An Equation
Replies: 4
Views: 2127

Re: Solving An Equation

Check your equation and your work then ask yourself the following questions about it: What are your factors that make up 36? 1 and 36 2 and 18 3 and 12 4 and 9 6 and 6 Are there any factors missing? can any of these (on the same row) be combined to equal -13? What numbers are factors of 13? can any ...
by dragonwench
Thu Sep 10, 2009 11:31 pm
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2334

Re: Factoring and/by Grouping problem

Thank You so much. I won't be able to access my exam until sometime next week (after everyone has had an opportunity to take the exam) I'll probably be able to figure out what I missed. I'm sure I'll be posting again between now and the first week of December :D Your help is so greatly appreciated. ...
by dragonwench
Thu Sep 10, 2009 3:11 am
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2334

Re: Factoring and/by Grouping problem

You're welcome - And, Thank You! Thank you for your reply, as well. We had a review in class today and while he didn't go over this specific problem, he did review similar ones... and it just *clicked* - and I feel like SUCH and idiot... Substitution!!! I needed to substitue a^2 - 6 for a variable.....
by dragonwench
Wed Sep 09, 2009 2:52 am
Forum: Intermediate Algebra
Topic: Factoring and/by Grouping problem
Replies: 4
Views: 2334

Factoring and/by Grouping problem

I have a (a few, actually -) problem in a workbook - and I can't seem to factor it out properly: (**Mathematics 155, Section 1.4 - Miscellaneous Equations) Directions: Find the real solutions of each equation. (**Note: in this section, we are specifically working on factoring and grouping along with...

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