Mathematics 9709 · AS & A Level · Quadratics

Quadratics — practice question

(main)[4]

Determine the set of values of the constant $k$ for which the quadratic equation $3kx^2 + (k + 8)x + 3 = 0$ has two distinct real roots.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the discriminant $b^2-4ac$” …

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