Post on 18-May-2015
Nature of
Roots
Find the roots for each of the following equations in whatever manner you would like:
We can use the discriminant to determine the type of roots
Discriminant = b2 4ac
Properties of the roots of a Quadratic Equation
Using the quadratic formulathe roots are at:
We can use the roots to write the quadratic equation
x2 (sum of roots)x + (product of roots) = 0
sum =
product =
Find a quadratic equation whose roots are and
Write a quadratic equation with integer coefficients given the roots
and
And Now It's time
Exercise 16