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secondary 3 | A Maths
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pls help!
Date Posted: 2 years ago
Views: 558
i) sub the 2 eqn together and then get x-coordiantes sub back into one of the eqn
ii) expand the (-2×+9)^2 arrange them in ax^2+bx+c=0 and apply D=b^2-4ac to find nature of root
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done
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do substitution method then you can get the points of intersection. from here, i think you can answer part ii yourself :)
Date Posted:
2 years ago
done
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Date Posted:
2 years ago
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