If the area of the triangle formed by the line y = - 2x + K and the two coordinate axes is 1, then the value of K is___ .

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• 1. If the area of the triangle formed by the image of the first-order function y = - 2x + B and the two coordinate axes is 9, then B=______ ．
• 2. Find the area of the triangle formed by the line y = 2x - 4 and two coordinate axes And please write the symbol accurately, if not, please mark it in Chinese, and this question does not include drawing,
• 3. If the area of the triangle formed by the line y = 2x + B and the two coordinate axes is 4, the analytical formula of the line is obtained Accurate point, although there is no reward points, I hope you can help more! Thank you
• 4. What is the area of the triangle formed by the image of the line y = 2x-3 and the two coordinate axes?
• 5. The line L is parallel to the line y = 3 / 2x-2, and the area of the triangle enclosed by the coordinate axis is 2. The analytical expression of the line L is obtained
• 6. Given that the area of the triangle formed by the first-order function y = 2x + B and two coordinate axes is 4, the value of B can be obtained If there is a process, it would be better. I wish the person who answers the question is safe. (the person who answers the question) I speak very accurately! ↖ (^ω^) ↗
• 7. Given the function y = x ^ 2 + 4x-5, try to find the maximum and minimum values of the function in the range of - 3 less than or equal to x less than or equal to 0
• 8. The number of intersections between the image of function f (x) = 4x − 4, X ≤ 1x2 − 4x + 3, x > 1 and the image of function g (x) = log2x is______ ．
• 9. Given that the intersection point of the image of the function y = - 3x + 1 and y = 2x + B is on the y-axis, then B = ----- man is at speed!
• 10. Y = - x.y = X-1. Y = - 5 + 3x. Y = - 2x + 1 whose function image intersects Y axis above X axis
• 11. The area of the triangle formed by the line y = 2X-4 and the coordinate axis is () A. 2B. 4C. 8D. 16
• 12. 1. Positive scale function y = - x, there is a point a on the image, the abscissa of point a is 2, AB is perpendicular to X axis through a, and the perpendicular foot is B, then s triangle ABO is equal to? 2. There is a point a on the image with positive scale function y = KX, the abscissa of point a is 2, AB is perpendicular to X axis through a, the perpendicular foot is B, and the s triangle ABO = 1, then K is equal to?
• 13. Given that the image of the positive ratio function passes through the point (- 2,5), makes a vertical line to the x-axis through the point a on the image, the perpendicular foot is B, and s △ AOB = 25, the coordinates of point a are obtained Come on! ~ ~ ~ have a solution
• 14. 1. Given that the function y = - 6 / X passes through the point (- 2, K), try to find the area s of the triangle formed by the image of the function y = kx-1 and the coordinate axis 2. The annual electricity price of a certain place is 0.8/kwh, and the annual electricity consumption is between 100 million kwh. According to calculation, if the electricity price is adjusted to X Yuan / kWh, the new electricity consumption y (100 million kwh) is inversely proportional to (x-0.4) (yuan / kWh), and when x = 0.65, y = 80 million kwh, How much yuan / kWh will the electricity price be adjusted, and the revenue of the power sector in that year will increase by 20% compared with the previous year
• 15. If the image of the linear function y = kx-4 and the positive proportion function y = KX passes through the point (2, - 1), the area of the triangle formed by the image of the two functions and the x-axis can be calculated
• 16. The function y = - 2x-b is triangled with x-axis and y-axis, and the area is 6. The function y = - 2x-b is triangled with x-axis and y-axis, and the area is 3 / 1 Finding the value of B
• 17. When the image of Y equals KX passes through point A2. Minus one, the area of the triangle formed by the image of this function and the X axis is calculated
• 18. It is known that the line y = KX + B passes through the point (2.5,0), and the area of the triangle surrounded by the coordinate axis is 6.25. The analytical formula of this line is obtained
• 19. Given that the line y = KX + B passes through the point (52,0), and the area of the triangle enclosed by the coordinate axis is 254, the analytical formula of the line is obtained
• 20. Shift the image of function y = 1 / 2Sin (2x - π / 4) to the left____ The function y = 1 / 2Sin (2x) is obtained by using two units Is it π / 4 or π / 8?