WB Police PC · Elementary Mathematics
Roots, factorisation and applications.
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Q1 · Quadratic Equations · EASY
What are the roots of the quadratic equation x^2 - 5x + 6 = 0?
Q2 · Quadratic Equations · MEDIUM
If one root of the equation x^2 - 7x + k = 0 is 3, then what is the value of k?
Q3 · Quadratic Equations · MEDIUM
A number exceeds its positive square root by 12. What is the number?
Q4 · Quadratic Equations · HARD
If the roots of the equation x^2 - px + q = 0 differ by 1, which of the following relations holds true?
Q5 · Quadratic Equations · HARD
If the roots of the equation x² - 9x + 20 = 0 are p and q, what is the value of p + q?