Solution assignment 09 Quadratic equations (factorizing)

Return to Assignments Quadratic equations (factorizing)

Assignment 9

Try to solve by factorization:

x^2+5x+7=0

Solution

We have to find p and q such that:

pq=7 and p+q=5

There are no whole numbers p and q that satisfy these equations. This does not mean that the equation has no solutions. In this case the equation has indeed no solutions because the discriminant D<0 (see also Quadratic equations (abc-formula)).

Return to Assignments Quadratic equations (factorizing)

0
Web Design BangladeshWeb Design BangladeshMymensingh