Angellidn
Answered

Makakuha ng detalyadong mga sagot sa iyong mga tanong gamit ang IDNStudy.com. Magtanong at makatanggap ng maaasahang sagot mula sa aming dedikadong komunidad ng mga eksperto.

are all quadratic equations can be solve by completing the square? justify

Sagot :

Not all because we have different methods in factoring quadratic equations.
No, not all can be solved by completing the square because this method requires the presence of the [tex]bx[/tex] term from [tex]a x^{2} +bx+c=0[/tex].

For example, we can not use completing the square for [tex] x^{2} -9 =0[/tex] because it does not have the middle term. However, this kind of equation may be easily solved using different methods such as extracting the square roots, etc.