Angelaexo26viz
Answered

Give me an equation that the roots are rational and equal. ASAP!

Sagot :

AnneCviz
For the roots to be rational and equal, the discriminant should be equal to 0. Perfect square trinomials have this characteristic.

discriminant = b² - 4ac

Examples are:

x² - 4x +4

x² +2x +1

a² -6a +9