Mao's answer to Nathan's Secondary 3 E Maths Singapore question.

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Mao
Mao's answer
21 answers (A Helpful Person)
1st
Since A and B are on x axis, y coordinates is 0. So u just Factorise the eqn to find its solutions and that’s ur coordinates. Line of symmetry is just the midline between the 2 intersections of the x axis