SOLUTION: If y=ax^2+bx+c, make x the subject of the formula, i.e. express x in terms of a, b, c and y.
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Question 983827: If y=ax^2+bx+c, make x the subject of the formula, i.e. express x in terms of a, b, c and y.
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
Complete the square:
Get a common denominator:
<--- ANSWER
Notice that if we plug in y = 0, this gives our quadratic formula that we are used to.
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