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CanadaON
Grade 11

Add and subtract algebraic radicals

Interactive practice questions

Which two of the following are "like surds"?

$4\sqrt{x}$4x

A

$6\sqrt[3]{x^2}$63x2

B

$\sqrt{5x}$5x

C

$9\sqrt{x^2}$9x2

D

$8\sqrt[3]{x}$83x

E

$2\sqrt{x}$2x

F
Easy
< 1min

Simplify the expression $7\sqrt{u}+3\sqrt{u}$7u+3u.

Easy
< 1min

Simplify the expression $11\sqrt{u}-7\sqrt{u}$11u7u.

Easy
< 1min

Simplify the expression $8\sqrt{u}-10\sqrt{u}$8u10u.

Easy
< 1min
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Outcomes

11U.A.3.2

Verify, through investigation with and without technology, that sqrt(ab)=sqrt(a) x sqrt(b), a>=0, b>=0, and use this relationship to simplify radicals

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