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Solve for y: y^2-9=0
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Question
Asked 12/15/2010 10:18:20 AM
Updated 9/12/2014 8:19:17 PM
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This conversation has been flagged as incorrect.
Flagged by alfred123 [9/12/2014 8:19:11 PM]
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User: Solve for y: y^2-9=0

Weegy: y = (0)2 - 9(0) + 18 =18. So (0, 18) is the y-intercept. S
Expert answered|rutie|Points 45|

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Question
Asked 12/15/2010 10:18:20 AM
Updated 9/12/2014 8:19:17 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by alfred123 [9/12/2014 8:19:11 PM]
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y^2 - 9 = 0

(y - 3)(y + 3) = 0;

y - 3 = 0;
y = 3;

y + 3 = 0;
y = -3;

y = {3, -3}
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Added 9/12/2014 8:19:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/13/2014 1:23:01 AM]
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