Additional Mathematics 4037/12 — May/June 2015

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

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Topics Calculus · Trigonometry · Logarithmic and exponential functions · Quadratic functions · [Legacy] Matrices · Circular measure · +3 more

Q14MQuadratic functionsFree sample

Given that the graph of $y = (2k + 5)x^2 + kx + 1$ does not meet the $x$ -axis, find the possible values of $k$ .

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