62) prove the parabolas y=2x^2+8x-5 and y=x^2+4x-9 meet and find the coordinates of the point of contact.?

Answer 1

y = 2x^2 + 8x -5
y = x^2 + 4x - 9
x^2 + 4x + 4 = 0
(x + 2)^2 = 0
x = -2
y = 4 - 8 - 9 = -13

y = 8 - 16 - 5 = -13