Mathematics, 06.10.2020 20:01 alishastevens16
Some of the steps in the derivation of the quadratic formula are shown.
Step3: -c+b^2/4^a=a(x^2+b/a x+b^2/4a^2
Step 4a: -c+b^2/4a=a(x+b/2a)^2
Step 4b: -4ac/4a+b^2/4a=a(x+b/2a)^2
Which best explains or justifies Step 4b?
A. Factoring a polynomial
B. Multiplication property of equality
C. Converting to a common denominator
D. Addition property of equality
Answers: 1
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Some of the steps in the derivation of the quadratic formula are shown.
Step3: -c+b^2/4^a=a(x^2+b/a...
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