Find the discriminant of the quadratic equation
2
2 8 0
Answers
Answered by
1
Answer:
The question is not there
Answered by
2
Answer:
C) 65
Solution:
⇢ 2x² + x - 8 = 0
a = 2
b = 1
c =-8
D = b² - 4 ac
D = (1)² - 4 × 2 × -8
D = 1 + 64
D = 65
_______________________
• Discriminant is used to find the root of the quadratic equation with the help of quadratic formula .
• Quadratic formula for an equation with root x is given by:
• Quadratic formula is also called Shridharacharya formula .
• There are four methods to solve quadratic equation:
Graphing
Completing the square
Factorisation
Quadratic formula
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