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CBSE Class 10 Answered

i am a little confused with quadratic equation . can you please expalin it in a more simpler way ... please asap. thank you
Asked by harshita joshi | 10 Feb, 2014, 10:08: PM
answered-by-expert Expert Answer
Dear Student,
 
The name Quadratic comes from "quad" meaning square, because the variable gets squared like x2.
It is also called an equation of degree "2".
 
The Satandard form of a quadratic equation can be written as
ax2 + bx + c = 0
 Where, a, b and c are known values. a can't be 0.
"x" is the Variable or unknown (you don't know it yet).
 
 
Below i have mentioned some example of Quadratic equation
 
2x2+5x+3=0
In this case a=2, b=5 and c=3
 
x2-3x+1=0
In this case a=1, b=-3 and c=1
 
 
 
Thanks and Regards
Toppers Team

Answered by | 11 Feb, 2014, 09:19: AM

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