SOLUTION: Determine the nature roots of the following without solving the equation
1. x2 + 3x - 9 = 0
2. x2 - 35 = 2x
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Question 8036: Determine the nature roots of the following without solving the equation
1. x2 + 3x - 9 = 0
2. x2 - 35 = 2x
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
write them as a quadratic, like .
Then work out .
If > 0 --> 2 real roots
If = 0 --> 1 real root
If < 0 --> 0 real roots... enter the realm of Complex numbers.
jon.
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