Lesson 04 Mar 17
12
Nature of Roots
Transcript of Lesson 04 Mar 17
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