SOLUTION: Need to solve the quadratic formula and state if there are no real roots or not for question #8 on page #588: X^2+9x+7=0 The help is greatly appreciated!

SOLUTION: Need to solve the quadratic formula and state if there are no real roots or not for question #8 on page #588: X^2+9x+7=0 The help is greatly appreciated!

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Question 76454This question is from textbook Beginning Algebra
: Need to solve the quadratic formula and state if there are no real roots or not for question #8 on page #588:
X^2+9x+7=0
The help is greatly appreciated!
This question is from textbook Beginning Algebra

Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
x^2+7x+9=0
using the quadratic equation we get:

X=(-7+-SQRT[7^2-4*1*9])/2*1
X=(-7+-SQRT[49-36])/2
X=(-7+-SQRT13)/2
X=(-7+-3.6)/2
X=(-7+3.6)/2
X=-3.4/2
X=-1.7 ANSWER.
X=(-7-3.6)/2
X=-10.6/2
X=-5.3 ANSWER.
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