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It tells you where the function intersects the x-axis. In f(x)=x^2-4, 2 is a zero because when x=2, f(x)=0.

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If the discriminant of a quadratic equation is zero and one root of the equation is 5 what is the value of the other root?

It too will have a value of 5


When can you say that the discriminant don't have root?

If the discriminant of a quadratic equation is less than zero then it will have no real roots


What is the average of the two soultions for the quadratic equation?

Replace the discriminant (the root) in the quadratic formula with zero - that will give you the average. In other words: (average of solutions) = -b/2a.


If the discriminant of a quadratic equation equals zero is true of the equation?

If the discriminant of a quadratic equation equals zero, it indicates that the equation has exactly one real solution, also known as a repeated or double root. This means that the parabola represented by the quadratic equation touches the x-axis at a single point rather than crossing it. In this case, the quadratic can be expressed in the form ((x - r)^2 = 0), where (r) is the root.


What can the discriminant tell you about a quadratic equation?

It can tell you three things about the quadratic equation:- 1. That the equation has 2 equal roots when the discriminant is equal to zero. 2. That the equation has 2 distinctive roots when the discriminant is greater than zero. £. That the equation has no real roots when the discriminant is less than zero.


What determines the nature of the roots of a quadratic equation?

The determinant.The determinant is the part under the square root of the quadratic equation and is:b2-4ac where your quadratic is of the form: ax2+bx+cIf the determinant is less than zero then you have 'no real solutions' (as the square root of a negative number is imaginary.)If the determinant is = 0, then you have one real solution (because you can discount the square root of the quadratic equation)If the determinant is greater than zero you have two real solutions as you have (-b PLUS OR MINUS the square root of the determinant) all over 2aTo find the solutions where they exist you'll need to solve the quadratic formula or use another method.


The graph of a quadratic function has it's turning point on the x-axis. How many roots does the function have?

If the turning point of a quadratic function is on the x-axis, it means the vertex of the parabola touches the x-axis, indicating that the function has exactly one root. This occurs when the discriminant of the quadratic equation is zero, resulting in a double root at the turning point. Therefore, the function has one real root.


What is a zero of a quadratic function?

The "zero" or "root" of such a function - or of any other function - is the answer to the question: "What value must the variable 'x' have, to let the function have a value of zero?" Or any other variable, depending how the function is defined.


What are quadratic equations with real roots?

If the discriminant of the quadratic equation is zero then it will have 2 equal roots. If the discriminant of the quadratic equation is greater than zero then it will have 2 different roots. If the discriminant of the quadratic equation is less than zero then it will have no roots.


Write an algorithm to find the root of quadratic equation?

Write an algorithm to find the root of quadratic equation


How do you find the two factors of one monomial and a polynomial?

1. Quadratic Formula 2. Rational Root Theorem 3. Zero Product Theorem


Does a quadratic equation always have two solutions?

A quadratic equation can have two solutions, one solution, or no real solutions, depending on its discriminant (the part of the quadratic formula under the square root). If the discriminant is positive, there are two distinct real solutions; if it is zero, there is exactly one real solution (a repeated root); and if it is negative, there are no real solutions, only complex ones. Thus, a quadratic equation does not always have two solutions.