slope = (3 - 0)/(0 - (-3/2)) or slope = 2

slope = (b^{2} - 3)/(b - 0) so (b^{2} - 3)/b = 2

b^{2} - 3 = 2b

b^{2} - 2b - 3 = 0

(b + 1)(b - 3) = 0

so b = -1 or b = 3

Similarly we would find a = -1 or b = 3, but we are told a<b so a = -1 and b = 3

(-1, 3)

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