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hey

question?

okay whats the question

its in the attachment. @christiano123

ok, so i have row d done

\[\sqrt{18}+2\sqrt{75}-\sqrt{48}\]

so with radicals you can simplify each one by splitting them into smaller radicals

\[\sqrt{18}=\sqrt{9}\sqrt{2}=3\sqrt{2}\]

\[2\sqrt{75}=2(\sqrt{25})(\sqrt{3})=2(5)\sqrt{3}=10\sqrt{3}\]

ya see what i did?

\[\sqrt{9}\sqrt{2}\]

whats the square root of 9?

so 2 cant be simplified but 9 can oh i see

ya they dont want decimals

you want the largest possible square root with the smallest

ie 9 and 2 for 18

ok so the last one,

\[3(\sqrt{2y})(\sqrt{y^2})\]

\[\sqrt{2y^3}=\sqrt{2y}\sqrt{y^2}\]

see what i did?

\[3(\sqrt{2y})(\sqrt{y^2})\]

what is the square root of y^2?

is it y?

yes!! :)

\[3(\sqrt{2y})(y)\]

\[3y \sqrt{2y}\]

first expression is simplified

can you do the 2nd?

of the last row

it is c

the second one is C

the last row is E

fourth row is D

oh i thought it was a because of the 3 and the 4 sqrt

what are you asking?

so you are having problems with the second row?

no i got an a c: thanks :D

ok, so no more?

yea no more thanks :D i understand them now c:

cool! great job @ahoymewmew