SOLUTION: Show how to derive the quadratic formula from a basic quadratic equation {{{ ax^2+bx+c=0 }}}.
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-> SOLUTION: Show how to derive the quadratic formula from a basic quadratic equation {{{ ax^2+bx+c=0 }}}.
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Question 1046435
:
Show how to derive the quadratic formula from a basic quadratic equation
.
Found 2 solutions by
josgarithmetic, ikleyn
:
Answer by
josgarithmetic(39617)
(
Show Source
):
You can
put this solution on YOUR website!
Your textbook should show this. The method will use Completing The Square.
Additionally, learn from these:
Completing the Square to Solve a Quadratic Equation, https://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev
Video showing how to change a general form quadratic equation into standard form
Answer by
ikleyn(52778)
(
Show Source
):
You can
put this solution on YOUR website!
.
See the lesson
-
PROOF of quadratic formula by completing the square
in this site.
(