What does the quadratic function ABC decide

A determine the direction of opening
B determines the horizontal position (actually - A / (2b))
C determines the intercept of the parabola on the y-axis (i.e. the coordinates of the intersection with the y-axis)

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1. The value range of quadratic function Given the quadratic function y = x & # 178; + (M + 3) x + m + 2, then - 1
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3. How to calculate the value range of mathematical quadratic function
4. Which coordinates do a, B and C of y = ax ^ 2 + BX + C in quadratic function image represent?
5. How does the value of H and K of quadratic function affect the image position
6. Given the quadratic function y = a (x + k) 2 + K, no matter what the value of K is, the vertex of the function image is always in the A. Y = X. B. y = - X. C. X axis. D. Y axis, friendly tips; do not answer, to the whole process Oh!
7. A point of intersection (6,0) between the image of quadratic function and x-axis, and the vertex is (4, - 8), a point of intersection (6,0) between the image of quadratic function and x-axis,
8. It is known that the vertex coordinates of the image of the quadratic function y = x2 + BX + C are (1, - 4), and the intersection point with the Y axis is a.1. Find the relationship of the quadratic function and the point a coordinates (3) If two non coincident points whose coordinates are (m, n) and (n, m) are on the image of the quadratic function, the value of M + n is obtained (4) If the quadratic function intersects with the negative half axis of X axis at point B, C is a point on the function image, D is a point on X axis, when the quadrilateral with a, B, C, D as the vertex is a parallelogram, please write the area of the parallelogram directly The key is the fourth question~
9. When x = 3, the minimum value of y = - 1, and the image is over (0,7), the analytic expression of quadratic function about X is obtained
10. When x = 3, the minimum value of y = - 1, and the image is over (0,7), the analytic expression of quadratic function of Y with respect to X is obtained
11. What is the relationship between the value of Y and the value range of X in quadratic function?
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13. In the quadratic function, we know the value range of X and the value range of y to find a and B When - 2
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16. The concept of quadratic function Definition: a function of shape is called a quadratic function of X General form: Conditions:
17. Basic concepts of quadratic function What a stands for, B stands for, C stands for! There are also related formulas!
18. The concept of quadratic function
19. What are the meanings of a, B and C of quadratic functions of one variable? For example, a represents the opening size and function image opening direction, B, C represents what?
20. Definition of quadratic function of one variable?