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Yesterday,
10:20 PM
Denis
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
Jomo oh Jomo yo my zero, whoops hero !!
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11 replies | 138 view(s)
Yesterday,
09:10 PM
JeffM
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
You can attempt to solve any system of simultaneous equations by the method of substitution. Example. x^2 + y - z = 41. x + y + z = 7. 5x +...
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11 replies | 138 view(s)
Yesterday,
08:44 PM
markraz
started a thread
Nurbs
in
Advanced Math
I realize this is not advanced math, but I don't know what forum this should go. Does anyone here have some in depth knowledge of NURBS?
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0 replies | 33 view(s)
Yesterday,
08:33 PM
allegansveritatem
replied to a thread
2 digit number problem
in
Intermediate/Advanced Algebra
Here is a photo of the problem. I had it right. I guess Dr Blixer delegated one of his grad students to draw up the problems for this section. I...
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3 replies | 114 view(s)
Yesterday,
07:40 PM
Jomo
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
That is all you wanted - the answer. Understanding it doesn't matter? Good luck in your class.
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17 replies | 159 view(s)
Yesterday,
07:37 PM
Jomo
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
I like that method. Maybe there is hope for you(??)
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11 replies | 138 view(s)
Yesterday,
06:59 PM
Denis
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
Ya made zee typo Halls... aNUTter way: x^2 + y^2 = 5 y - x = 3 ^2 : x^2 - 2xy + y^2 = 9 Subtract from : xy = -2
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11 replies | 138 view(s)
Yesterday,
06:10 PM
HallsofIvy
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
Understanding factoring of polynomials starts with understanding multiplication of polynomials. We know that (ax+ b)(cx+ d)= ax(cx+ d)+ b(cx+ d)= ...
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17 replies | 159 view(s)
Yesterday,
05:45 PM
HallsofIvy
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
Except that now you get a nice quadratic equation rather than the nasty fourth degree equation from before! Since x- y= 3, y= x- 3. Then x^2+...
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11 replies | 138 view(s)
Yesterday,
05:39 PM
Dr.Peterson
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
I was wondering if you might have done that, though it didn't seem likely! So it's x^2 + y^2 = 5 y - x = 3 You can still do exactly what...
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11 replies | 138 view(s)
Yesterday,
05:32 PM
Help please
replied to a thread
Quadratic simultaneous equation
in
Beginning Algebra
Sorry it was a plus not a times.
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11 replies | 138 view(s)
Yesterday,
05:27 PM
JayChampion
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
thanks for the help everyone! :mrgreen::mrgreen::mrgreen::mrgreen:
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17 replies | 159 view(s)
Yesterday,
05:27 PM
tkhunny
replied to a thread
First and second order differential equations
in
Calculus
u is a value. Just keep it along for the ride. It is not one of your variables of interest and it is not a function of either of them. Did...
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1 replies | 37 view(s)
Yesterday,
05:26 PM
JayChampion
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
Someone just emailed me and it said that the answer is (3x+10)(x+2) I checked it and that is the answer
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17 replies | 159 view(s)
Yesterday,
05:13 PM
Jomo
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
So the problem does not say to use a calculator. I assume that you learned a few methods for factoring (not including using a calculator). What have...
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17 replies | 159 view(s)
Yesterday,
05:08 PM
Jomo
replied to a thread
Solving equations through combination
in
Intermediate/Advanced Algebra
I am not sure what you mean by So a=5-6\5b, but whatever you do mean it is wrong (sorry). The 1st step (actually maybe it is better to call it...
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3 replies | 43 view(s)
Yesterday,
04:57 PM
Jomo
replied to a thread
Picking numbers: expression is odd integer
in
Intermediate/Advanced Algebra
1)Sum of 2 odds numbers are even 2)Sum of 2 even numbers are even **) sum of odd and even is odd 3)If you square different integers you will get...
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7 replies | 120 view(s)
Yesterday,
04:54 PM
Illvoices
replied to a thread
Solving equations through combination
in
Intermediate/Advanced Algebra
What i did was try 'n use combination. So 6a+6b=30 I isolated a the variable a to get its value. So 6a=30-6b Then I divided the term by 6 on both...
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3 replies | 43 view(s)
Yesterday,
04:53 PM
JayChampion
replied to a poll
TI-84 plus help (factoring polynomials)
in
Calculator Questions
Factor. If the polynomial is not factorable, write prime. 1. 3x^2+16x+20
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17 replies | 159 view(s)
Yesterday,
04:36 PM
Jomo
replied to a thread
Solving equations through combination
in
Intermediate/Advanced Algebra
It is just excellent that you tried. Now please show us your work so that we can show you where you went wrong and to also have an idea as to what...
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3 replies | 43 view(s)
Yesterday,
04:29 PM
Illvoices
started a thread
Solving equations through combination
in
Intermediate/Advanced Algebra
If 6a+6b=30 and 3a+2b=14 what is the value of b? How should I solve this by combination? I tried but I can't get it.
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3 replies | 43 view(s)
Yesterday,
04:29 PM
JeffM
replied to a thread
Picking numbers: expression is odd integer
in
Intermediate/Advanced Algebra
Integers are either even or odd. An even integer can be expressed as 2 times an integer. So it is easy to demonstrate that the sum of two even...
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7 replies | 120 view(s)
Yesterday,
03:20 PM
Illvoices
replied to a thread
Picking numbers: expression is odd integer
in
Intermediate/Advanced Algebra
U still don't understand how to solve these problems can someone teach me. Or give me another example of a link with these problems. Where I can...
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7 replies | 120 view(s)
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