Discriminant review (article) | Khan Academy www.khanacademy.org › ... › The quadratic formula
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When the discriminant is greater than 0, the quadratic has two real and distinct solutions. When the discriminant is exactly 0, the quadratic has two real and ... When discriminant is zero, then what are the roots? If the discriminant equals 0, can the solution be irrational? What does it mean when the discriminant is less than 0? How many solutions does a quadratic equation have if its ... More results from www.quora.com
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If the discriminant is equal to zero, this means that the quadratic equation has two real, identical roots. Example. x2 + 2x + 1 = 0. a = 1, ...
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If the discriminant is 0, that means you have a 0 under the square root in the quadratic formula. What happens when you have a 0 under a square root?
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If Discriminant is Equal to Zero. If D = 0, the quadratic equation has two equal real roots. In other words, when D = 0, the quadratic equation has only one ...
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When the discriminant is greater than 0, there are two distinct real roots. When the discriminant is equal to 0, there is exactly one real root. When the ...
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If the discriminant is less than 0, the quadratic equation has 0 real solutions. (Instead of real solutions, the quadratic equation has 2 imaginary ...
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what happens if the discriminant is 0. by Anais Dietrich Published 9 months ago Updated 2 weeks ago. When the discriminant is equal to 0, there is exactly ...
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The quadratic formula and the discriminant · Δ>0 tells us the equation has two distinct real roots · Δ=0 tells us the equation has one (repeated) real root · Δ<0 ...
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If the discriminant of a quadratic function is less than zero, that function has no real roots, and the parabola it represents does not intersect the x-axis ...
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If the discriminant is positive, we know that we have 2 solutions. If it is negative, there are no solutions and if the discriminant is equal to zero, we have ...
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Then, substitute into the discriminant formula. ... Finally, simplify. ... The discriminant is zero, meaning there is one real solution for this quadratic function.
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23 Jul 2013 · If \begin{align*}b^2-4ac=0\end{align*}, the equation has one real solution, a double root. Find the Discriminant of a Quadratic Equation. To ...
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Similarly, the discriminant of a cubic polynomial is zero if and only if the polynomial has a multiple root. In the case of a cubic with ...
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When a, b, and c are real numbers, a ≠ 0 and the discriminant is zero, then the roots α and β of the quadratic equation ax2+ bx + c = 0 are real and equal.
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