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.
\[-4\cdot p=-9\cdot p^2+8\]
The centre column shows the steps in words, and the right column shows the equation after the step is applied.
\[-4\cdot p=-9\cdot p^2+8\]
The centre column shows the steps in words, and the right column shows the equation after the step is applied.
- step 1
- step 2
- step 3
- step 4
- step 5
- determine number of solutions
- calculate discriminant
- determine solutions
- reduce to #0#
- determine #a#, #b# and #c#
- #p={{2-2\cdot \sqrt{19}}\over{9}} \lor p={{2\cdot \sqrt{19}+2}\over{9}}#
- #D \gt 0#, hence, there are #2# solutions
- #9\cdot p^2-4\cdot p-8=0#
- #D=304#
- #a=9#, #b=-4# and #c=-8#
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