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secondary 4 | E Maths
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jasmine
Jasmine

secondary 4 chevron_right E Maths

question 1b and question 2a

ans are:
1b) a=4/9, b=-8/9, c=-32/9
2a) 36 days

have ans but dont know the workings

Date Posted: 5 years ago
Views: 266

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Allan
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43 answers (Tutor Details)
1st
Hi jasmine. Can you help me double check whether b=8/9 is correct as I've checked through and no way should b be negative.
jasmine
Jasmine
5 years ago
the roots of the equation is 4 and -2 so it should be (x-4)(x+2) = x^2 -2x -8
Allan
Allan
5 years ago
Oh yes. One small mistake. Thanks.
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Allan
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Thank you