Kris5
HELPPP (1/2 radical y) (6radical y)



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Kris5
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\[(1/2\sqrt{Y}) (6\sqrt{Y)}\]

Kris5
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actually it's a 1/2

radar
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dw:1351114021944:dw

radar
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If the 1/2 is also negative then it would be\[3y\]

Kris5
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I don't get it

radar
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What do you "don't get"?

Kris5
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the multiplication

radar
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\[\sqrt{a}\times \sqrt{a}= a\]

radar
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Or \[(a ^{1/2 }) x (a ^{1/2})=a ^{(1/2 + 1/2)}= a ^{1}=a\]

radar
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(2)(3)=+6 Multiplication when signs are alike. Although you were confusing about the signs.

radar
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(1/2)(6)= 3 see above.

Kris5
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:/ I'm using the foil method and I'm not getting it. Thanks.

radar
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I just multiplied the two terms as they were each enclosed by parentheses (no need to foil)

radar
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Restate the problem.

radar
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dw:1351114861577:dw

Kris5
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so all you did was mutiply 1/2 by 6 and mulitplied radical y by radical y. so then you get 3y?

radar
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Yes, I believe that was the problem.

Kris5
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I have a test on this tomorrow. I'm stressed :/

Kris5
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Thank you

Kris5
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:)

radar
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Good luck on the test.

Kris5
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Thank you