Question

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When is an equation a quadratic equation?

Answer 1

"For ax2 + bx + c = 0, the value of x is given by: For the Quadratic Formula to work, you must have your equation arranged in the form "(quadratic) = 0". Also, the "2a" in the denominator of the Formula is underneath everything above, not just the square root. And it's a "2a" under there, not just a plain "2"." google

Answer 2

So... What should I use as an answer?

Answer 3

In elementary algebra, the quadratic formula is the solution of the quadratic equation. There are other ways to solve the quadratic equation instead of using the quadratic formula, such as factoring, completing the square, or graphing.

Answer 4

The quadratic formula is the solution of the quadratic equation. There are other ways to solve the quadratic equation instead of using the quadratic formula, such as factoring, completing the square, or graphing. Using the quadratic formula is often the most convenient way.

Answer 5

General quadratic equation: \[ax ^{2}+3x+c=0\]
Quadratic Formula: \[x=\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a }\]