Ethan Lie's answer to Vignesh anand's Secondary 3 A Maths Singapore question.

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Ethan Lie
Ethan Lie's answer
20 answers (Tutor Details)
1st
The efficient way is to complete the square to get the standard form of a circle.

The inefficient way is to sub random values of x to solve for y. Then plot until the circle graph is complete
Vignesh anand
Vignesh Anand
3 years ago
Thanks a lot