28
QuizMultiple Choice
The Economy of the US
Question 28 • EA Academy Civics 9
Some of the steps in the derivation of the quadratic formula are shown.Step 3: –c + = aStep 4a: –c + = aStep 4b: + = a
Answer
A
factoring a polynomialB
multiplication property of equalityC
converting to a common denominatorD
addition property of equality