Given the square of the parabola y = ax + BX + C, where / A / = 2, and the coordinates of the lowest point (- 1,3) (1), find the functional relation of the parabola (2) Find the coordinates of the intersection of the line y = 2x + 9 and the parabola

(1) there is the lowest point (- 1,3), which is the vertex of the parabola, ∧ a > 0, ∧ a = 2,
Ψ y = 2 (x + 1) ^ 2 + 3, or y = 2x ^ 2 + 4x + 5,
(2) simultaneous equations
Y=2X+9
Y=2X^2+4X+5
The solution is: x = 1, y = 11 or x = - 2, y = 5,
The intersection coordinates are (1,11) and (- 2,5)

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