Surds

UK Secondary (7-11)

Add and subtract algebraic surds

Which two of the following are "like surds"?

$4\sqrt{x}$4√`x`

A

$6\sqrt[3]{x^2}$6^{3}√`x`2

B

$\sqrt{5x}$√5`x`

C

$9\sqrt{x^2}$9√`x`2

D

$8\sqrt[3]{x}$8^{3}√`x`

E

$2\sqrt{x}$2√`x`

F

$4\sqrt{x}$4√`x`

A

$6\sqrt[3]{x^2}$6^{3}√`x`2

B

$\sqrt{5x}$√5`x`

C

$9\sqrt{x^2}$9√`x`2

D

$8\sqrt[3]{x}$8^{3}√`x`

E

$2\sqrt{x}$2√`x`

F

Easy

Less than a minute

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