Two methods are used to draw the inverse scale function image of y = - 2 / X
Point drawing method (one is to draw all of them, the other is to draw one branch, and then draw it symmetrically),
You can also input functions directly from the Geometer's Sketchpad
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- 1. Inverse scale function image If the line y = 2x-1 intersects with the Y axis at point a, and then the line is translated upward by one unit, and intersects with the curve y = 2 / X at two points B and C, what is the area of triangle ABC
- 2. What are the characteristics of symmetry of inverse scale function image The symmetry of the origin of the y-axis is complete It's too esoteric. I just want to know what quadrant is symmetrical and what quadrant is the point after symmetry``
- 3. How many quadrants must the image of the positive scale function y = (K & # 178; + 1) x (k is a constant, K ≠ 0) pass through
- 4. Let y = (K + 2) x + K be the square of - 9=___ It is a positive proportional function passing through two or four quadrants
- 5. Is the positive scale function y = KX + b k necessarily greater than zero? If K is less than zero, y decreases with the increase of X Is that still a positive ratio?
- 6. The image of the linear function y = KX + B (K ≠ 0, B ≠ 0) always passes through the point (0,?) And (0,?) Two points, the positive proportion function y = KX (K ≠ 0) always passes through (0,?) And (1,?) Two points
- 7. The positive proportional function y = KX passes through point a (3, - 4) to find the value of K
- 8. It is known that the positive proportional function y = KX (K ≠ 0) and the y of points (2, - 3) on the function increase or decrease with the increase of X
- 9. It is known that the image of positive scale function y = KX passes through point P (1,2), as shown in the figure. (1) find the analytic expression of the positive scale function; (2) translate the image of the positive scale function to the right four units, and find the analytic expression of the translated straight line
- 10. If we know that y = KX + K-3 is a positive proportional function, then its analytical expression is
- 11. How to solve the area of figure in inverse scale function
- 12. The image of inverse scale function y = KX passes through point a (2,3). (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
- 13. The image of inverse scale function y = KX passes through point a (2,3). (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
- 14. The image of inverse scale function y = KX passes through point a (- 2,3); (1) find the analytic expression of this function; (2) judge whether point B (1,6) is on the image of this inverse scale function, and explain the reason
- 15. If the image of the inverse scale function passes through point a (2,3), then are points B (- √ 2,3 √ 2), C (2 √ 3, - 3) d (9,2 / 3) on the image of the function
- 16. Given that the image of inverse scale function y = - 2K / X passes through point 2. K + 1, judge whether point G (K + 1,2) is on the function image
- 17. In points a (2,1), B (- 3,4), C (1,12), D (3,8), e (24,1 / 2), there are
- 18. 8. Given points a (2,6), B (3,4) on the image of an inverse scale function (1), find the analytic expression of the inverse scale function; (2) If the line y = MX intersects the line AB, find the value range of M
- 19. The image of a known inverse scale function passes through points (1,3) (1) to find the relation of the inverse scale function and draw its image; (2) to find the intersection coordinates of the primary function y = 2x + 1 and the image of the inverse scale function
- 20. How to draw the image of inverse scale function passing through the point (- 4,3)?