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Class X Mathematics Quiz on Quadratic Equations
Class X
Mathematics
Quadratic Equations
14 questions
HARD
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Preview questions
1. What is the standard form of a quadratic equation?
ax^2 + bx + c = 0 · ax^2 + b = 0 · a + bx + c = 0 · x^2 + bx + c = 0
2. Which of the following is a quadratic equation?
2x + 3 = 0 · x^2 - 5x + 6 = 0 · 3x^3 + 2x = 0 · x - 4 = 0
3. What is the discriminant of the quadratic equation ax^2 + bx + c = 0?
b^2 - 4ac · 4ac - b^2 · a^2 + b^2 + c^2 · b^2 + 4ac
4. If the discriminant of a quadratic equation is positive, what can be said about its roots?
They are real and equal · They are imaginary · They are real and distinct · They are complex conjugates
5. What is the sum of the roots of the quadratic equation x^2 - 7x + 10 = 0?
10 · 7 · 5 · 3
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