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How does the test variable of an object affect the amount of mechanical energy it contains?
1 answer:
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Answer:
option (b) is correct.
First step to solve for deriving the quadratic formula from the quadratic equation is completing the square.
Step-by-step explanation:
Given : the quadratic equation
We have to find the first step for deriving the quadratic formula from the quadratic equation.
Quadratic formula is given by
Consider the given quadratic equation
Divide the equation by a, we get,
Take to other side, we get,
Add to both side, we get,
Thus, the left side is in the form of
On solving, we get,
Then solve for x , we get quadratic formula
Thus, first step to solve for deriving the quadratic formula from the quadratic equation is completing the square.
Thus, option (b) is correct.