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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore

Need to find X and Y with comparing surd terms, Im very confused.

Date Posted: 2 years ago
Views: 298
sstrike
Sstrike
2 years ago
【compare / match】

(x - 30 ) + (5x - 1) •√6
= y + 9 •√6

5x - 1 = 9 ⇨ x = (1+9)÷5 = 2

y = x - 30 = -28

Ans
x = 2
y = -28

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Estee Chang
Estee Chang's answer
39 answers (A Helpful Person)
1st
expand first, then compare rational numbers on LHS with rational numbers on RHS. and surd terms on LHS with surd terms on RHS.
May
May
2 years ago
thank you so much ! i was really stuck on this question and topic
Estee Chang
Estee Chang
2 years ago
you're welcome :) let me know if you need anymore explanation
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sstrike
Sstrike's answer
5393 answers (A Helpful Person)
Try