If -5 is a root of the quadratic equation 2x 2 px 15 0 and the quadratic equation px 2 x k 0 has equal roots then find the value of k. D b² - 4ac. Also it is important to note that the numerals ie.
The discriminant tells us whether the solutions are real numbers or complex numbers as well as how many solutions of.
I mean you probably know how to use the formula this is if you are presented with a problem involving some kind of quadratic equation you know that the following formula needs to be used. One other method for solving quadratic equations is completing the square. Ax2bxc0 is called a quadratic equation while x -b-sqr b2-4ac 2a is called the. Solutions for x of the said equation.