Christmas MT's answer to Duane Loh's Secondary 1 Maths question.
done
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clear
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Inequality sign changes direction when you are multiplying the equation by a negative number (in this case, -1).
Imagine -4 > -20
When you multiply both sides by -1, it should become
4 < 20, not 4 > 20
Everything else should be quite clear :)
Imagine -4 > -20
When you multiply both sides by -1, it should become
4 < 20, not 4 > 20
Everything else should be quite clear :)
Date Posted:
6 years ago
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