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In the quadratic function y = - X & sup2; + (2m + 2) x - (M & sup2; + 4m-3), M is an integer not less than 0. Its image and X-axis intersect at two points a and B, and point a is on the left side of the origin, and point B is on the right side of the origin. (1) find the analytic formula of quadratic function. (2) the image of primary function y = KX + B crosses point a and the image of secondary function intersects at point C, and s △ ABC = 10, find the analytic formula of primary function
(1) Y = - x2 + 2x + 3 (2) y = - X-1 or y = 5x + 5
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- 1. Given the quadratic function y = the square of X + (the square of MX) x-2m, find the M (1) that satisfies the condition. The known vertex is on the y-axis (2). The vertex is on the x-axis (3). The image passes through the origin If you want to learn how to do it yourself, you can bypass this problem
- 2. When x = 2, the maximum value of quadratic function is 3, and the point (0,1) at the intersection of image and y-axis is obtained
- 3. Given the intersection points (- 1,0) and (3,0) of the image and X of the quadratic function, and the intercept of the image on the Y axis is - 15, find its analytical formula
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- 5. If the image vertex of quadratic function y = 4x ^ 2 + MX + 1 is on the X axis, then M equals? If its vertex is on the Y axis, then M equals?
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