As shown in the figure, if the line y = KX + B intersects the coordinate axis at a (- 3,0) and B (0,5), then the solution set of inequality - kx-b < 0 is______ ．

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• 1. If the two intersections of the line y = KX + B on the coordinate axis are a (2,0) and B (0, - 3), then the solution set of the inequality KX + B ≥ 0 is
• 2. Given that a and B are rational numbers, and the root sign 2A + (root sign 2-1) B = 2 root sign 2a-1, try to find the solution set of inequality - ax & gt; 2B
• 3. Any proposition x belongs to {X / - 1 ≤ x ≤ 1}, and there is inequality x ^ 2-x-m
• 4. Given a = {a | 360K ＜ a ＜ 150 + 360K, K ∈ Z}, B = {B | - 90 + 360K ＜ B ＜ 45 + 360K, K ∈ Z} to find a ∩ B a ∪ B
• 5. It is known that 0 ° + K × 360 ° < a < 90 ° + K × 360 ° (k is an integer) Q: what quadrant angle is a? Try to write the range of the second, third and fourth quadrants
• 6. Given vector a = (3,1), vector b = (1,3), vector C = (k, 7), if (vector a-vector C) is parallel to vector B, then what is k equal to
• 7. Given a ^ m = 9, a ^ n = 8, a ^ k = 4, find the value of a ^ m-2k + 3N
• 8. 1. Write - 1480 ° as 2K π + A, K ∈ Z, where 0 ≤ a < 2 π; 2. If β∈ [- 4 π, 0), and β is the same as the terminal edge of a in 1, find β
• 9. The - 1485 ° is expressed as 2K π + a (K ∈ Z, a ∈ [0,2 π))
• 10. The form of - 10 is 2K pie + a (0 ≤ a < 2K pie, K is an integer) It's - 10, not - 10 degrees!
• 11. Let a = {x | x = n ^ 2-1, n ∈ Z} B = {x | x = k ^ 2 + 2K, K ∈ Z} if a ∈ a, judge the relationship between a and B
• 12. Let a = {x | x = 2k-1, K ∈ Z}, B = {x | x = 2K + 3, K ∈ Z} (2)A={x|x=2k,k∈z｝,B={x|x=-2k,k∈z｝ (2)A={x|x=k+1/4,k∈z｝,B={x|x=k/2-1/4,k∈z｝
• 13. Let u = R, a = {x | 6-x-x ^ 2 > 0}, B = {x | x-4 / x + 3} 1. Find a and B 2. Find a ∩ B, (CUA) ∪ B
• 14. Let u = Z, a = (x | x = 2K -- 1, K belongs to Z) then what is CUA equal to?
• 15. Let a = {2 less than or equal to x less than or equal to 7}, B = {x greater than a}, C = {K + 1 less than or equal to x less than or equal to 2K + 3} 1, if the empty set is a proper subset of (a intersection B), The known set a = {2 less than or equal to x less than 7}, B = {x greater than a}, C = {K + 1 less than or equal to x less than or equal to 2K + 3} 1. If the empty set is a proper subset of (a intersection b), the value range of a is obtained 2. If a and C = a, find the value range of K
• 16. Given the complete set L = {x | x ∈ r}, set a = {x, X less than or equal to 1 or X ≥ 3}, set B = {x, K < x < K + 1, K ∈ r} and (C1a) ∩ B = empty set, then the value range of real number k is
• 17. If a = {x is greater than or equal to - 3 and less than 1} B = {x is greater than or equal to A-1 and less than or equal to a} and the intersection of a and B is not an empty set, then the value range of a
• 18. The intersection of a and B consists of all elements belonging to a and B For "a ∩ B = {x | x ∈ a, and X belongs to B}, we can not only think that any element of a ∩ B is the common element of a and B, but also that the common elements of a and B belong to a ∩ B, which is the meaning of" all "in the text definition, not" part "of the common element, Be clear and easy to understand, When the common elements of a and B are not in a ∩ B? What do you say···
• 19. What is the intersection of an empty set and a? 1. What is the intersection of an empty set and a (non empty set)? 2. Why {x | x > 2} {x | X2, or x
• 20. If a intersection B equals B, is a equal to B? That is, the intersection of a and B is equal to B. does it mean that set a and B are equal