roots (e7q13) *

T

tamiatha

Junior Member
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Apr 26, 2009
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109
use the value of the discriminant to determine the number and type of roots for the equation:
2X^2-7X+9=0

number of roots=2
type of root=real

are the roots real or imaginary
 
Re: roots (e7q13)

2x^2-7x+9=0

a=2, b=-7, c=9

The discriminant is
\(\displaystyle \pm\sqrt{b^2-4ac}\)

What kinds of numbers do you get when you plug in the givens and evaluate?
 
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