Home | | **Maths 10th Std** | Exercise 3.11: Solving a Quadratic Equation by Completing the Square Method, Formula Method

Maths Book back answers and solution for Exercise questions - Solving a Quadratic Equation by Completing the Square Method, Solving a Quadratic Equation by Formula Method

1. Solve the following quadratic equations by completing the square method

(i) 9*x* 2 − 12*x* + 4 = 0

(ii) [(5*x*+7) / (x-1)] = 3*x*+2

2. Solve the following quadratic equations by formula method

(i) 2*x* 2 − 5*x* + 2 = 0

(ii) √2*f* 2 – 6*f* + 3√2 = 0

(iii) 3*y*2 − 20*y* − 23 = 0

(iv) 36*y*2 − 12*ay* + (*a*2 − *b*2 ) = 0

3. A ball rolls down a slope and travels a distance *d* = *t*2 − 0. 75*t* feet in *t* seconds. Find the time when the distance travelled by the ball is 11.25 feet.

Tags : Problem Questions with Answer, Solution | Mathematics , 10th Mathematics : UNIT 3 : Algebra

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10th Mathematics : UNIT 3 : Algebra : Exercise 3.11: Solving a Quadratic Equation by Completing the Square Method, Formula Method | Problem Questions with Answer, Solution | Mathematics

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