Mathematics, 23.09.2019 09:20 avery4428
The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.
step 1: –c = ax2 + bx
which best explains or justifies step 1?
a. subtraction property of equality
b. completing the square
c. factoring out the constant
d. zero property of multiplication
Answers: 2
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