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The line y = KX + B passes through the intersection a of y = 3x-5 and y = - 2x + 10, y = KX + B intersects Y axis at B, y = - 2x + 10 intersects X axis at C, if s triangle ABC = 12, then k =, B= The line y = KX + B passes through the intersection a of y = 3x-5 and y = - 2x + 10, y = KX + B intersects Y axis at B, y = - 2x + 10 intersects X axis at C, if s triangle ABC = 12, then k =?, B =?
The intersection of y = 3x-5 and y = - 2x + 10 is a. if y = 3x-5y = - 2x + 10, x = 3 and y = 4 pass through point (3,4) because y = - 2x + 10 intersects X axis at C, then C = 5 because s △ ABC = 12 and s △ ABC + s △ BOC = s △ ABO + s △ ABO + s △ AOC = 1 / 2 * b * 3 + 1 / 2 * 5 * 4 = 3B / 2 + 10s △ BOC = 1 / 2 * b * 5 + 1
RELATED INFORMATIONS
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- 7. The equation of the line with intercept of 4 and - 3 on X and Y axes is______ ．
- 8. According to the following conditions, the equation of a straight line is obtained and transformed into a general formula. The intercept on x-axis and y-axis is 2, - 1 respectively
- 9. The linear equation with a slope of - 4 and an intercept of 7 on the y-axis is______ ．
- 10. The line L: y = KX + B, is k the slope of the line?
- 11. If the area of △ abo (o is the coordinate origin) is 2, then the value of B is______ ．
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- 13. If the intersection of their images and the y-axis is divided into two parts, the first-order functions y = (n-4) x + (4-2m) and y = (n + 1) x + M-3 are given The first-order functions y = (n-4) x + (4-2m) and y = (n + 1) x + M-3 are known If the intersection of their image and Y axis is point P and point Q respectively If P and Q are symmetric about X axis, the value of M is______ .
- 14. It is known that the intercept of lines L1 and L2 on x-axis is equal, and their inclination angles are complementary, and the line L1 passes through point P (- 3,3). If the distance between point Q (2,2) and L2 is 1, the equation of L2 is solved
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- 16. Two straight lines L1: MX + 8y + n = 0 and L2: 2x + MY-1 = 0 are known. Try to determine the value of M, n so that (1) L1 ‖ L2; (2) L1 ⊥ L2, and the intercept of L1 on the Y axis is - 1
- 17. In solving the equations {ax + by = C ① ax by = - 3 ②, Xiao Ming mistook - 3 in equation ② as 3 and got the solution {x = 3, y = 6 because of carelessness The solution is {x = 5, y = 18
- 18. It is known that the linear equation is ax + by + C = 0. When a, B and C are 0 respectively, the position and slope of the line are the same
- 19. It is known that the intercept of the line y = KX + B on the y-axis is 4, and the line passing through the point C (3,2) intersects with the x-axis and y-axis at two points a and B. in addition, there is a point D on the x-axis (3 / 2, 0) finding the area of a quadrilateral bcdo fast
- 20. It is known that the intercept of y = KX + k-2x-3 is 2