Answered

What is quadratic equation and give its standard form?

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Mlcparra16viz
A quadratic equation forms a parabola when graphed. This has two roots. There is a quadratic formula which is:
x = -b ± √(b²-4ac)
            2a

The form of a quadratic equation is:
ax²+bx+c=0 this is where a≠0 otherwise it is linear and only has one root.