alleryMatch each quadratic discriminant D = b² - 4ac value with the nature of roots:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
D > 0 gives 2 distinct real roots. D = 0 gives equal real roots. D < 0 gives no real roots.
Keep practising Quadratic Equations
Browse all Quadratic Equations questions for ICSE Class 10, or explore more Mathematics topics.
Related questions
Match each relation between roots α, β of ax² + bx + c = 0 with its formula:Match each geometric word problem with its quadratic equation model:Match each quadratic equation with its roots:₹1,000 becomes ₹1,210 after 2 years, compounded annually at a constant nonnegative rate. ATwo ages differ by 24 years; in 4 years their product is 432. Younger age now x. Equation?How many rectangles have perimeter 20 m and area 30 m²?A maker produces n toys, n<20. Each costs ₹(40−n); total cost ₹375. Find n.A rectangle has perimeter 28 cm and area 48 cm². Its shorter side is