Question

Exercise 4.4 Long Answer Type Questions 1 + NIw 0.1 Find whether the following equations have real roots. If real roots exist, find them (i) 8x2 + 2x - 3 = 0 (ii) – 2x2 + 3x + 2 = 0 1 (iii) 5x2 – 2x – 10 = 0 (iv) = 1, x + 2,5 2x - 3x - 5 (v) x2 + 5 V5x – 70 = 0 Thinking Process (0) Firstly we will check the quadratic equation has real roots or not for this, is discriminant, D=b2 - 4ac >0 = roots are real. (i) If roots are real, we may factorise the equation or use the quadratic formula to obtain the roots of the equation, ol. () Given equation is 8x2 + 2x - 3= 0.​

Answer 1

Step-by-step explanation:

Exercise 4.4 Long Answer Type Questions 1 + NIw 0.1 Find whether the following equations have real roots. If real roots exist, find them (i) 8x2 + 2x - 3 = 0 (ii) – 2x2 + 3x + 2 = 0 1 (iii) 5x2 – 2x – 10 = 0 (iv) = 1, x + 2,5 2x - 3x - 5 (v) x2 + 5 V5x – 70 = 0 Thinking Process (0) Firstly we will check the quadratic equation has real roots or not for this, is discriminant, D=b2 - 4ac >0 = roots are real. (i) If roots are real, we may factorise the equation or use the quadratic formula to obtain the roots of the equation, ol. () Given equation is 8x2 + 2x - 3= 0.