Quadratic Equations & Roots
Download Q&AQ. For the quadratic equation x^2 + 2x + k = 0 to have real roots, what must be the minimum value of k? (2020)
Q. For the quadratic equation x^2 + 4x + k = 0 to have equal roots, what must be the value of k? (2022)
Q. If the roots of the equation x^2 + 3x + 2 = 0 are a and b, what is the value of a + b? (2022)
Q. If the roots of the equation x^2 + 6x + 9 = 0 are equal, what is the value of the root? (2023)
Q. The equation x^2 - 9 = 0 has roots that are: (2019)
Q. The roots of the equation x^2 - 7x + 10 = 0 are: (2019)
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