It is known that the slope k of the straight line L is obtained through two points P1 (2,1) P2 (m, 2) (m ∈ R), and the inclination angle a of L and its value range are obtained?

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• 1. Given that a straight line passes through points P (2a, 3b) and Q (4b, 6a), and a is not equal to 0, the slope of the straight line is calculated
• 2. If we know that a line passes through P (2a, 3b) and Q (4b, 6a) and a is not zero, we can find the slope of the line
• 3. Given the slope of the straight line k = 1 / 2, P1 (- 2,3), P2 (X2, - 2), P3 (1 / 2, Y3) three points on a straight line, find X2, Y3
• 4. It is known that the straight line passes through P1 (x1,5), P2 (4, Y2), P3 (- 1, - 3), and the slope of the straight line is - 3
• 5. If two points P1 (4,9) and P2 (6,3) are known, then the equation for a circle with diameter p1p2 is______ ．
• 6. Given that the straight line with slope 2 intersects with hyperbola x ^ 2-y ^ 2 = 12 at P1 and P2, find the trajectory equation of the midpoint of line p1p2
• 7. Given the hyperbola x ^ 2-y ^ 2 / 2 = 1, the line L passing through point a (2,1) intersects with the given hyperbola at two points P1 and P2, and the trajectory equation of point P in line p1p2 is obtained
• 8. A straight line L passing through the point (- 5, - 4) intersects two coordinate axes and is tangent to the triangle formed by the two axes. The area of the triangle is 5. The equation of L is obtained . urgent
• 9. If the line L passes through the point P (3,2), and the midpoint of the line cut by the coordinate axis is exactly P, the equation of the line L is obtained
• 10. A straight line passes through the point (1.3), which is exactly the midpoint of the line cut by the two coordinate axes
• 11. Given the slope of the straight line k = 2, P1 (3,5), P2 (x2,7), P3 (- 1, Y3) are the three points on the straight line, find X2, Y3 Does anyone know
• 12. P1 (x1, Y1) P2 (X2, Y2) are two points on a straight line with a slope of K Prove that ip1p2i = 1 + k * 2 times ix1-x2i = 1 + k * 2 times (x1 + x2) - 4x1x2 I is the vertical line, ip1p2i is the absolute value of p1p2, and ix1-x2i is the absolute value of x1-x2
• 13. Given P1 (- 1, a), P2 (3, 6) and the slope of p1p2 k = 2, | p1p2 | =? To find the detailed explanation
• 14. If a straight line passes through the point P (- 5, - 4) and the area of the triangle enclosed by the two coordinate axes is 5, the equation of the straight line is obtained
• 15. Solve the linear equation of point P (- 5,4) which is surrounded by two coordinate axes and has a triangle area of 5
• 16. When crossing point a (- 5, - 4) on a straight line L, it intersects two coordinate axes and the area of the triangle enclosed by the two axes is 5, the equation for solving the straight line L is obtained 1. Let the slope of the line be K y+4=k(x+5) x=0,y=5k-4 y=0,x=4/k-5=(4-5k)/k So area = | 5k-4 | * | (4-5k) / K} / 2 = 5 |(5k-4)^2/k|=10 (5k-4)^2=±10k 25k^2-40k+16=±10k -No solution at 10K 25k^2-50k+16=0 (5k-8)(5k-2)=0 k=8/5,k=2/5 8x-5y+20=0 2x-5y-10=0 Or? 2. Let y = KX + 5k-4. (k is not equal to 0) Let y = 0, x = (4-5k) / K Let x = 0.y = 5k-4 S = 1 / 2 * {5k-4} * {(4-5k) / K} ({} is absolute value.) Let k > 4 / 5, then (5k-4) ^ 2 / k = 10, k = 8 / 5, k = 2 / 5 (rounding) Then y = 8 / 5x + 4 When 0
• 17. Make a straight line L through point a (- 5, - 4) so that it intersects with the two coordinate axes and the area of the triangle enclosed by the two axes is 5
• 18. Make a straight line L through the point P (- 5, - 4) so that it intersects with the two coordinate axes and the area of the triangle enclosed by the two axes is 5, and solve the linear equation It's better not to use slope,
• 19. Find the equation of the line L whose area is 4 and slope is - 2
• 20. Given that the slope of the line L is 16, and the line and the two coordinate axes form a triangle with an area of 3, then the equation of the line L is______ ．