Question

Q1 . Which of the following is a quadratic equation... * 1. x^2 + 2x 2. x^3 + 3 x^2 + 5 = 0 3. x^(-2) + 2 x +1 = 0 4. 5+ 2x - 6 x^2 = 0

Q2. -3 is a root of which equation.... * 1. 3 x^2 - 27 = 0 2. x^2 - 5x + 6 = 0 3. 4x^2 - 12 x = 0 4. All of these

Q3. A quadratic equation has ..... * 1. exactly 2 roots 2. more that 2 roots 3. less than 2 roots 4. only 1 root

Q4. 2 is a root of the equation 3x^2 - k x + 5 = 0 , then the value of k is... * 1. -17/2 2. 17/2 3. 17 4. -17

Q5. On comparing (x-2)^2 + 5x - 3 = 0 with the general quadratic equation ax^2 + bx + c = 0 , the values of a, b and c are..... * 1. a = 1 , b = -1 , c = 1 2. a= 1 , b = -1 , c = -1 3. a= 1, b = 1 , c=1 4. None of these please solve this as quickly as possible i will mark as the brainliest

Answer 1

Step-by-step explanation:

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