If x = 3 is a solution of the equation 3x2 + (k – 1)x + 9 = 0 then k = ?

Q4 of 293 Page 503

If x = 3 is a solution of the equation 3x² + (k – 1)x + 9 = 0 then k = ?

x = 3 is a solution of the equation means it satisfies the equation

Which of the following is a quadratic equation?

Which of the following is not a quadratic equation?

If one root of the equation 2x² + ax + 6 = 0 is 2 then a = ?

The sum of the roots of the equation x² – 6x + 2 = 0 is