Question 6 Line ₁ has equation y = 3x + 8 Line 2 has equation y = -7 - 2x Lines ₁ and 2 intersect at point C. a) Find the coordinates of point C. You must show your working. The curve with equation y = ax² - 14x + b passes through point D (2,-11). The tangent to the curve at point D is parallel to line 1₂. b) Find the value of a and the value of b.

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