Which of the following is not a quadratic equation.

Which of the following is not a quadratic equation?
(a) (x + 2)² = 2(x + 3)
(b) x² + 3x = ( -1) (1 – 3x)
(c) (x + 2) (x – 1) = x² – 2x – 3
(d) x³ – x² + 2x + 1 = (x + 1)³

Solution:

Which of the following equations has 2 as a root?
(a) x² – 4x + 5 = 0
(b) x² + 3x – 12 = 0
(c) 2x² – 7x + 6 = 0
(d) 3x² – 6x – 2 = 0

Solution:

More Solutions:

• Which of the following is a quadratic equation.
• If 1/2 is a root of the equation.
• The roots of the equation x2 – 3x – 10 = 0.
• If the equation 2x² – 5x + (k + 3) = 0 has equal roots
• If the equation 3x² – kx + 2k =0 roots.
• If the equation 2x² – 6x + p = 0 has real.
• Which of the following equations has no real roots.