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If you mean b^2 -4ac then it is the discriminant of a quadratic equation.

If the discriminant equals 0 then the equation has 2 equal roots.

If the discriminant is greater than 0 then the equation has 2 different roots.

If the discriminant is less than 0 then it has no real roots.

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โˆ™ 2018-02-02 12:46:54
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Q: In the quadratic equation ax2 plus bx plus c 0 if b2 - 4ac?
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Related questions

What is the formula of a quadratic equation?

The quadratic equation in standard form is: ax2 + bx + c = 0. The solution is x = [-b ± √b2- 4ac)] ÷ 2a You can use either plus or minus - a quadratic equation may have two solutions.

When the roots are equal of a quadratic equation?

Write the quadratic equation in the form ax2 + bx + c = 0 The roots are equal if and only if b2 - 4ac = 0. The expression, b2-4ac is called the [quadratic] discriminant.

What is the equation for finding the discriminant?

The discriminant of the quadratic polynomial ax2 + bx + c is b2 - 4ac.

B2 -4ac in the quadratic equation ax2 plus bx plus c equals 0?

Full equation is (-b +/- sqrt(b2 - 4ac))/2a. Try it with x2 - 2x - 3, where a = 1, b = -2 and c = -3...

When is there no real solutions for a quadratic equation?

It's when ax2+bx+c=0 if b2-4ac= is negative

What is the quadratic formula?

x = [−b ± √(b2 − 4ac)]/2aA, B, and C can all correspond to the original quadratic equation as follows: ax2 + bx + c = 0The quadratic formula can only be used if the quadratic equation is equal to zero.If [ Ax2 + Bx + C = 0 ], thenx = [ -B +/- sqrt( B2 - 4AC ) ]/ 2A

How do you solve a quadratic equation that will not factor?

How you solve an equation that doesn't factor is to plug a quadratic equation's format; ax2+bx+c into the quadratic formula which is x=-b+square root to (b2-4ac)/2a.

Equation that can be expressed in the form of the equation y equals ax2 plus bx plus c?

A quadratic equation.

What solution is for ax2 plus bx plus c equals 0?

The answer to this is the Quadratic Formula, which is: (-b +/- (b2 - 4ac)1/2 )/2a -- as you might have guessed, +/- means there are two solutions for this equation.

What does quadratic formulas look like?

ax2 +bx + c To find roots of any quadratic equation. X = - b (+/-) sqrt(b2 - 4ac)/2a

What is the significance of this equation ax2 plus bx plus c equals 0?

It is the general form of a quadratic equation.

How do you factor trinomials ax2 plus bx plus c?

With the help of the quadratic equation formula

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