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StepMaths Mock Paper 1 · Q15

Paper 1Algebra

At the two points where the line y=ky=k cuts the curve y=x2y=x^2, tangents are drawn. It is found that they intersect at the point (0,−2)(0,-2). What is the value of kk?

A22
B2\sqrt2
C−2-2
D−2-\sqrt2
EThere is no such kk

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