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SSAT Upper Level
Quantitative (Math)

Finding Equal Roots in a Quadratic Equation

Very Hard Algebra Quadratic Equations

Consider the quadratic equation:

$$3x^2 - 12x + k = 0$$

For the roots of this equation to be equal, the discriminant must equal zero. Set the discriminant equal to zero and solve for the value of $$k$$. Which of the following values of $$k$$ will ensure that the roots are equal?

Hint

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