SOLUTION: Part A: What is the quadratic formula, and how can it be used to find the roots of a quadratic equation? Part B: Use the quadratic formula to find the roots of the equation 7x

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Part A: What is the quadratic formula, and how can it be used to find the roots of a quadratic equation? Part B: Use the quadratic formula to find the roots of the equation 7x      Log On


   

Question 1176129: Part A: What is the quadratic formula, and how can it be used to find the roots of a quadratic equation?
Part B: Use the quadratic formula to find the roots of the equation
7x^2+10x+4=0 Show your work.
Part C: Are the roots real numbers or complex numbers? Provide a supporting explanation. Then, explain what it means to a quadratic function when the roots are complex numbers.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Thank you for your question.


On quadratic formula and how it can be used to find the roots of a quadratic equation, read the lessons

    - Introduction into Quadratic Equations

    - PROOF of quadratic formula by completing the square

in this site.