ICSE Class 10 Quadratic Equations — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice ICSE Class 10 Quadratic Equations in the app →Standard form of a quadratic equation isWhich of the following is a quadratic equation?The quadratic formula gives the roots of ax^2 + bx + c = 0 asThe quantity b^2 - 4ac is called theSolve by factorisation: x^2 - 5x + 6 = 0. Roots areIf the roots of x^2 + bx + c = 0 are 4 and -1, then (b, c) isThe discriminant of 2x^2 + 5x + 3 = 0 equalsSolve: x^2 = 9. The solutions areWhich quadratic has roots whose sum is 7 and product is 12?Solve by factorisation: x^2 + 7x + 10 = 0. Roots areWhat is the nature of the roots of x^2 + 4x + 5 = 0?Solve by quadratic formula: x^2 - 4x - 5 = 0. Roots areFor what k does x^2 + kx + 9 = 0 have equal roots?The sum of squares of two consecutive positive integers is 113. The integers areIf one root of x^2 - 6x + k = 0 is 2, then k equalsThe product of two consecutive positive odd numbers is 143. The numbers areA train covers 360 km at uniform speed. If the speed were 5 km/h more, it would take 1 hour less. The actual sIf alpha and beta are roots of x^2 - 7x + 10 = 0, then alpha + beta + alpha*beta equalsSolve by completing the square: x^2 + 6x + 5 = 0. Roots areThe area of a rectangle is 60 sq cm and length exceeds breadth by 4 cm. Breadth is