Quadratic equations: Solving quadratic equations
The quadratic formula 1
Drag the steps to solve the equation below by means of the quadratic formula in the correct order.
\[-2\cdot p=-2\cdot p^2+6\]
The center column shows the steps in words, the right column shows the equation after the step is applied.
\[-2\cdot p=-2\cdot p^2+6\]
The center column shows the steps in words, the right column shows the equation after the step is applied.
- step 1
- step 2
- step 3
- step 4
- step 5
- determine #a#, #b# and #c#
- reduce to #0#
- determine number of solutions
- calculate discriminant
- determine solutions
- #a=2#, #b=-2# and #c=-6#
- #p={{1-\sqrt{13}}\over{2}} \lor p={{\sqrt{13}+1}\over{2}}#
- #2\cdot p^2-2\cdot p-6=0#
- #D=52#
- #D \gt 0#, hence, there are #2# solutions
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