Eric Nicholas K's answer to Rachel's Secondary 3 A Maths Singapore question.
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Meet = Intersect
If they meet, means they definitely intersect. We are not sure whether they intersect at one or two points (real and equal or real and distinct), but we know they intersect, so we must include both cases, so b2 - 4ac >= 0.
If they meet, means they definitely intersect. We are not sure whether they intersect at one or two points (real and equal or real and distinct), but we know they intersect, so we must include both cases, so b2 - 4ac >= 0.
Date Posted:
5 years ago
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