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Home Q & A Board Science-Related Homework Help Mathematics
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finksta finksta
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11 years ago
part 1:
Which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring and why?
a. ?b
b. b2 ? 4ac
c. 2a

part 2:
Create your own quadratic equation. Using complete sentences, and your answer from part 1, determine whether your equation can be solved by factoring.
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finklefinkle
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11 years ago
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#2
11 years ago
Part 1.

The formula has a sqrt(b^2 - 4ac) in it. If b^2 - 4ac isn't a perfect square, then that square root is going to be an irrational number and you can't solve the problem by factoring.

Part 2. Write it down and calculate b^2 - 4ac.
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