Question

Решение функции у = 1- 2х- хв квадрате

Answer 1

Какой это класс??????

Answer 2

Solving the Function y = 1 - 2x - x^2

To solve the function y = 1 - 2x - x^2, we can use the quadratic formula or complete the square method to find the roots of the equation.

Using the Quadratic Formula

The quadratic formula states that for an equation of the form ax^2 + bx + c = 0, the solutions for x are given by: x = (-b ± √(b^2 - 4ac)) / (2a)

For the given function y = 1 - 2x - x^2, the coefficients are: a = -1, b = -2, and c = 1

Using the quadratic formula, we can find the solutions for x.

The discriminant (b^2 - 4ac) determines the nature of the solutions: - If the discriminant is positive, there are two distinct real solutions. - If the discriminant is zero, there is one real solution (a repeated root). - If the discriminant is negative, there are two complex solutions.

Completing the Square Method

Another method to solve the quadratic equation is by completing the square. This method involves rewriting the quadratic equation in the form (x - h)^2 = k, where (h, k) is the vertex of the parabola.

Conclusion

By using the quadratic formula or completing the square method, we can find the solutions for the given function y = 1 - 2x - x^2. The specific solutions for x can be calculated using the appropriate method.