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Type: Open-Ended
Category: Radicals
Level: Grade 9
Tags: Indices
Author: Melvin_Perera
Last Modified: 7 years ago

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Radicals Question

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Grade 9 Radicals

Which of these are true?
a.

$sqrt25 + sqrt9 = sqrt(25 + 9)$ .
b.

$sqrt25 - sqrt9 = sqrt(25 - 9)$ .
c.

$sqrt5 xx sqrt5 = sqrt25$ .
d.

$sqrt4 xxsqrt9 = sqrt(4 xx 9$ .
e.

$sqrta + sqrtb = sqrt(a +b)$ .