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Question
secondary 3 | A Maths
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1. Substitute the first equation into the parabola equation
2. Solve for the 2 values of x, which are the x-coordinates of A and B.
3. Substitute into the first equation to determine the y-coordinates of A and B.
4. Find the coordinate of the mid point of AB.
5. Calculate the gradient of AB
6. Use m1 x m2 = -1 to determine the gradient of the perpendicular bisector.
7. Use the mid point of AB and the gradient from 6, to find the equation required.
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