whitethunder05
06.07.2020 •
Mathematics
A student is deriving the quadratic formula. Her first two steps are shown.
Step 1: –c = ax2 + bx
Step 2:
Which best explains or justifies Step 2?
division property of equality
factoring the binomial
completing the square
subtraction property of equality
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Ответ:
the subtraction quality of equality
If step 1 was the original formula 0 = ax² + bx + c and
Step 2 is –c = ax2 + bx
Step-by-step explanation:
If she subtracts c from both sides of the equation, the sides ars still equal to each other.
Ответ:
A B D E
Step-by-step explanation:
Just did it!