Mathematics, 05.11.2019 03:31, lexi9239
Here are two steps from the derivation of the quadratic formula.(x+b/2a)^2=b^2-4ac/4a^2 x+b/2a=+sqrt b^2-4ac/4a^2 what took place between the first step and the second step?
a. taking the square root of both sides b. factoring a perfect square trinomial c. completing the square
Answers: 2
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Here are two steps from the derivation of the quadratic formula.(x+b/2a)^2=b^2-4ac/4a^2 x+b/2a=+sqrt...
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