The Discriminant
The expression b2−4ac in the general formula is called the discriminant of the equation, as it determines the type of roots that the equation has.
Example
Determine the nature of the roots of the following equations.
a. 5x2−7x+3=0
b. x2−4x+4=0
c. −2x2+5x−9=0
Answer:
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Determine the nature of the roots of the following equations.
a. 5x2−7x+3=0
b. x2−4x+4=0
c. −2x2+5x−9=0
Answer:
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