For all values of a, graphs will intersect at the point (0,2):
For a = 1 When x = 0 Therefore, x = 0 and y = 2 no matter which value is chosen for a.
For a = 1
When x = 0
Therefore, x = 0 and y = 2 no matter which value is chosen for a.
When a = 0, this equation will no longer be of the second degree:
Therefore, the resulting equation is of the first degree and represents a straight line.
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