A formula for finding the vertex of quadratic function

x=-b/2a
y=4ac-b2/4a

RELATED INFORMATIONS

1. The vertex (- 2,1) of quadratic function passes through the point (2,1), and the analytic expression of quadratic function is obtained
2. Given that the image of quadratic function and a (- 1.4) are vertices and pass through point (2.5), the analytic expression of quadratic function is obtained,
3. How to draw the image of quadratic function? I see y = 3x ^ 2 confused How to establish? Told me. I will benefit a lot
4. If there is an intersection between the image of the first function y = 5x + m and the image of the second function y = x2 + 3x + 5, then the value range of M is
5. When B is a value, there is one intersection point between the primary function y = 5x + B and the secondary function y = x ^ 2 + 3x + 5, two intersections and no intersection point?
6. Given the quadratic function y = 3x-5x-2, when what is the value of X, y = 0, Y0
7. Quadratic function y = ax ^ 2 + BX + C The distance between the two intersection points of quadratic function y = ax ^ 2 + BX + C and X axis is 4 units. If the image is translated 1.5 units along the symmetric axis, then the image passes through the coordinate origin. If the original image is translated 2 units along the symmetric axis, then the image vertex is on the X axis, and the analytical formula of parabola is obtained
8. It is known that the definition domain of quadratic function y = A & # 178; - 2a-1 is (- ∞, - 1) ∪ (3, + ∞) to find the minimum value of Y
9. Given that the minimum value of quadratic function y = x2 + (2a + 1) x + A2-1 is 0, then the value of a is () A. 34B. -34C. 54D. -54
10. Quadratic function y = a (x-1) &# B has the minimum value - 1, what is a + B The quadratic function y = a (x-1) &# 178; + B has a minimum value of - 1, what is a + B
11. What is the vertex formula of quadratic function? Vertex formula, not vertex formula The vertex formula is y = a (X-H) ^ 2 + K. I know, but I don't know how to match it. I need a formula
12. Which formula is used to find the analytic formula of the known vertex coordinates of quadratic function?
13. Through the point (- 3,2), the vertex is (- 2,3) to find the quadratic function analytic formula
14. The vertex coordinates of quadratic function are known,
15. Analytic expression of quadratic function determined by vertex coordinates I have learned the analytic formula of quadratic function to determine the vertex coordinates, for example, y = 2 (x-1) + 2, and the vertex coordinates are (1,2). Can we find the vertex coordinates of the analytic formula of quadratic function y = AX2 + BX + C (1.2) on the other hand It's too much trouble for the second floor on the premise that a is the fixed value
16. Know the analytic expression of quadratic function, how to find vertex coordinates?
17. If the inverse function image of y = (A-X) / (x-a-1) is centrosymmetric with respect to the point (- 1,4), then the value of a is? The answer is that a is 3 What should we do
18. The inverse function of y = LNX and the inverse function image of y = ln (1 / x) are symmetric with respect to
19. Function and inverse function of the image about what symmetry
20. If a function is symmetric with respect to a point, is its inverse symmetric with respect to that point