The image of the positive scale function passes through the point a (- 2,1 / 2) B (6, m), and the analytic expression of the function is obtained

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• 1. The image of a positive scale function passes through a point (2, - 3). Its expression is () A. y＝−32xB. y＝23xC. y＝32xD. y＝−23x
• 2. The image of a positive scale function passes through point a (negative 2,3) to write the expression of the function Let the image of a positive scale function pass through point a (negative 2,3) and write the expression of the function. Let the analytic expression of the positive scale function be y = KX Substituting the point (- 2,3) into the analytic expression, we get 3 = - 2K, and the solution is k = - (3 / 2) So the analytic expression of the function is y = - (3 / 2) X
• 3. The image of positive scale function passes through points P (3, - 2) and Q (m, - M + 2) (1) Write the analytic expression of positive proportion function (2) Write the value of M (3) Draw an image of this function
• 4. We know that y is a positive proportional function of X, and when x = 3, y = - 6; find its analytic formula; if point a (m, M + 3) is a point on its image, find the value of M
• 5. What is the difference between positive proportional function and linear function?
• 6. The difference between linear function and positive proportion function In terms of fractions and fractions, it is known that the positive proportion function is y = KX and the primary function is y = KX + B. why is s = 10 / y not a primary function or a positive proportion function, while y = 1 / 2ah seems to have no B, but it is both a positive proportion function and a primary function? What is y = 1 / 2A?
• 7. What is the difference between linear function and positive proportion function? What are the similarities?
• 8. What is the difference between linear function and positive proportion function?
• 9. Second grade positive proportion function online, etc If Y-2 is positively proportional to x + 2 and x = 0, y = 6. Write the functional relationship between Y and X Is it y = 2x + 6?
• 10. On the positive proportion function of grade two As shown in the figure, the line L is parallel to the Y axis and intersects with the image of the function y = x.x axis and the function y = KX at points a, B and C respectively. If the triangle BOC = 2 and the triangle AOB, then the value of K is?
• 11. Given that the image of a positive scale function passes through a point (- 1,2), (1) find the analytic expression of the positive scale function; (2) is the point (2, - 5) on the image of the function?
• 12. If the image of positive scale function is known to pass through points (3,2), (a, 6), the value of a is obtained It's due tomorrow,
• 13. If the point (3,6) is on the image of a positive scale function, the expression of the positive scale function is
• 14. As shown in Figure 1, it is known that the images of positive scale function and inverse scale function all pass through the point m (- 2, - 1), and P (- 1. - 2) is a point on the hyperbola, and Q is the coordinate plane
• 15. Find the image passing through point (2, - 1) of positive scale function in expression (1) (2) The image of a linear function passes through points (0,4 / 3) and (1 / 2,3) (3) It is known that the ordinate of the intersection of the image and Y-axis of the linear function y = KX + B is - 5, and when x = 1 and y = 2, the expression of the function is?
• 16. If y is a positive scale function of X and the image passes through points (1,1), then the expression of the positive scale function is?
• 17. What is the degree of the acute angle between the image of positive scale function y = x and X axis______ ．
• 18. If the positive scale function y of the image passing through point a (- 2,6) is KX, then K is K
• 19. How to draw an image (a straight line) with positive scale function y = 3x It's best to state its steps
• 20. When x = - 3, y = - 1, which quadrant does the image pass through In addition to the title, there is another question: Point (1 / 2,1). (fill in "on" or "not on") line y = 2x