How many quadrants must the image of the positive scale function y = (K & # 178; + 1) x (k is a constant, K ≠ 0) pass through
It is easy to know that K ^ 2 + 1 > 0
So we have to go through one or three quadrants
RELATED INFORMATIONS
- 1. Let y = (K + 2) x + K be the square of - 9=___ It is a positive proportional function passing through two or four quadrants
- 2. 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?
- 3. 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
- 4. The positive proportional function y = KX passes through point a (3, - 4) to find the value of K
- 5. 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
- 6. 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
- 7. If we know that y = KX + K-3 is a positive proportional function, then its analytical expression is
- 8. If Y-2 and X-2 are in positive proportion, then the functional relationship between Y and X is () A. a linear function may also be a positive proportion function B. a positive proportion function c. a linear function
- 9. Among the following functions, the first-order function is (1) y = - 8x (2) y = 5x & # 178; + 6 (3) y = - 8 / X (4) y = - 0.5x-1 (5) y = K & # 178; X + 6 (k is a constant)
- 10. The following functions: ① y = 2x + 3; ② y = 3 (3-x); ③ y = 3x-x2; ④ y = − X3; ⑤ y = 5 A. ①②③④⑤B. ②④C. ①③⑤D. ②④⑤
- 11. 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``
- 12. 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
- 13. Two methods are used to draw the inverse scale function image of y = - 2 / X
- 14. How to solve the area of figure in inverse scale function
- 15. 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
- 16. 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
- 17. 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
- 18. 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
- 19. 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
- 20. In points a (2,1), B (- 3,4), C (1,12), D (3,8), e (24,1 / 2), there are