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Quadratics

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Question 12
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a.

Express 2x2+9x+k2x^2 + 9x + k2x2+9x+k in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c

[3]
b.

Find the values of k k\,k for which the curve y=2x2+9x+ky = 2x^2 + 9x + ky=2x2+9x+k does not intersect the line y=2y = 2y=2

[3]

Quadratics Questions

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