Algebra-
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Normal Egg
Member Lvl: 8
Egg Points: 8
Posts: 1079
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| Posted: Jun 14, 2008 5:05 a.m. - Subject: Algebra- |
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Solve for the system shown. Put your answer in (x,y) format, with no spaces.
10x + 7y = 99
y - x = 2
I dont know how to do x,y format. Teach me.
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'The Overlord'
Egg Moderator
Member Lvl: 77
Egg Points: 953450
Posts: 6254
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| Posted: Jun 14, 2008 9:31 a.m. - Subject: |
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x,y format means that if x=2 and y=3 then the answer should be listed as (2,3).
I would need my drawing pad/pen hooked up to actually illustrate how to solve this problem. Maybe I will do it later this evening.
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Normal Egg
Member Lvl: 8
Egg Points: 8
Posts: 1079
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| Posted: Jun 14, 2008 1:13 p.m. - Subject: |
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Ohhh, now I understand, Thanks Gimp.
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Master Egg
Member Lvl: 32
Egg Points: 794588
Posts: 3410
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| Posted: Jun 14, 2008 1:19 p.m. - Subject: |
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Take your equations, get a variable by itself.
Plug the new equation into the other equation.
Solve it.
Take your answer and plug it into the unsolved equation.
Solve.
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Normal Egg
Member Lvl: 8
Egg Points: 8
Posts: 1079
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| Posted: Jun 14, 2008 1:44 p.m. - Subject: |
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Wait so does the answer have to apply for both x’s and y’s? Or a set for top, and a set for bottom?
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'The Overlord'
Egg Moderator
Member Lvl: 77
Egg Points: 953450
Posts: 6254
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| Posted: Jun 14, 2008 5:00 p.m. - Subject: |
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When you’re solving a system of equations (as above), you’re finding the intersection point of the two lines. Therefore, the answer (5,7) works for both equations.
BTW, thanks, DB for solving it. Fives to all your stuff from me later.
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Normal Egg
Member Lvl: 8
Egg Points: 8
Posts: 1079
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| Posted: Jun 15, 2008 6:57 a.m. - Subject: |
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Thanks DB!
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Master Egg
Member Lvl: 32
Egg Points: 794588
Posts: 3410
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| Posted: Jun 15, 2008 8:56 p.m. - Subject: |
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No problem. Its one thing I am good at, so I can help.
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