General formula for solving quartic (degree $4$) equations
Jul 28, 2010 · 149 There is, in fact, a general formula for solving quartic (4th degree polynomial) equations. As the cubic formula is significantly more complex than the quadratic formula, the …
How can I solve quadratic equations using modular arithmetic
Oct 3, 2021 · 10 How can I solve quadratic equations using modular arithmetic? E.g. $$2x^2 + 8x + 2 = 0 \pmod {23}$$ N.b. I have changed the figures from those in my homework question …
Questions about a trick for solving quadratic equations quickly
Apr 6, 2021 · I just watched a video that teaches a trick to solve some quadratic equations faster: Suppose we have $3x^2-152x+100=0$ It takes a lot of time to solve it by finding discriminant …
How do you solve a system of quadratic equations?
Therefore for a system of two quadratic equations we get four polynomials of first degree (i.e linear equations). The combination of these four equations give four systems of equations …
How can we make it easy to solve quadratics without the …
Jan 2, 2021 · Unlike factorisation, it can be used to solve any quadratic. In fact, the quadratic formula comes from completing the square on the general quadratic equation $$ ax^2 + bx + c …
How to solve a quadratic equation with two unknowns?
May 9, 2014 · How to solve a quadratic equation with two unknowns? Ask Question Asked 11 years, 7 months ago Modified 8 years, 7 months ago
Can you solve a quadratic equation using matrices?
May 12, 2015 · @Paul Yes, I guess that would work but it still isn't very different form what usually do. I was hoping that there were a complete alternative. For example, we can solve …
soft question - Why we need to know how to solve a quadratic ...
Aug 1, 2012 · So, to the original question: why know how to solve a quadratic? Because learning how to solve a quadratic gives you the skills to solve myriad problems from myriad domains of …
How to solve an $n$-th degree polynomial equation
He/she is interested in a generalization of the solution formula for quadratic equations with given but arbitrary coefficients (as in his answer above). Therefore, my statement is: given an …
Why can ALL quadratic equations be solved by the quadratic …
In algebra, all quadratic problems can be solved by using the quadratic formula. I read a couple of books, and they told me only HOW and WHEN to use this formula, but they don't tell me WHY …