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Earn +20 ptsQ: B2 -4ac in the quadratic equation ax2 plus bx plus c equals 0?
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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.
What solution is for ax2 plus bx plus c equals 0?
y = ax^(2) + bx + c Solution is the Quadratic Eq'n. x = {-b +/-sqrt[b^(2) - 4ac]} / 2a
What indicates that the roots of a quadratic are irrational?
In the quadratic equation, b^2 - 4ac < 0.
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 value of b2-4ac equal to 0?
It is the value of the discriminant of a quadratic equation.
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