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What is the quadratic formula and what is it used

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Reference no: EM131104020

1: What happens when b2-4ac is negative?

2: How many solutions are there for quadratic equations, which are expressed in the form of ax2 + bx + c = 0, where a does not equal 0? Explain why?

3: What is the quadratic formula? What is it used for? Provide a useful example that is not found in the text.

Reference no: EM131104020

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