Question

1.) If the roots of the quadratic 2x² + kx + 2 = 0 are equal, then the value of k is?
A. 4
B. ±4
C. -4
D. ±16

2.) If the roots of 4x² + 3px + 9 = 0, are real and distinct then, the value of p is?
A. p ≥ -4 or p ≤ 4
B. p ≤ -4 or p ≤ 4
C. p 4
D. p ≤ -4 or p > 4

3.) The product of the roots of the quadratic equation 2x² + 5x -7 = 0 is?
A. 5/2
B. 5/2
C. - 7/2
D. 7/2

4.) If the sum and product of roots of a quadratic equation are -7/2 and 5/2 respectively, then the equation is?
A. 2x² + 7x + 5 = 0
B. 2x² - 7x - 5 = 0
C. 2x² - 7x + 5 = 0
D. 2x² + 7x - 5 = 0

5.) If the roots of a quadratic equation are 2 and 3, then the equation is?
A.x² + 5x + 6 = 0
B.x² - 5x - 6 = 0
C. x² + 5x - 6 = 0
D. x² - 5x + 6 = 0

Answer 1

OPTION (D) IS THE CORRECT ANSWER.