1 ( )
.
1
, 
, 
. , a, b, c d .
1. a = (1, 2, 3), b = (-1, 3, 2), c = (7, -3, 5), d = (6, 10, 17).
2. a = (4, 7, 8), b = (9, 1, 3), c = (2, -4, 3), d = (1, -13, -13).
3. a = (8, 2, 3), b = (4, 6, 10), c = (3, -2, 10), d = (7, 4, 11).
4. a = (10, 3, 1), b = (1, 4, 2), c = (3, 9, 2), d = (19, 30, 7).
5. a = (2, 4, 1), b = (1, 3, 6), c = (5, 3, 1), d = (24, 20, 6).
6. a = (1, 7, 3), b = (3, 4, 2), c = (4, 8, 9), d = (7, 32, 14).
7. = (1, -2, 3), b = (4, 7, 2), c = (6, 4, 2), d = (14, 18, 6).
8. a = (1, 4, 3), b = (6, 8, 5), c = (3, 1, 4), d = (21, 18, 33).
9. a = (2, 7, 3), b = (3, 1, 8), c = (2, 1, 8), d = (16, 14, 27).
10. a = (7, 2, 1), b = (4, 3, 5), c = (3, 4, -2), d = (2, -5, -13).
2
. :
1) 
2) 
4) 
5) 6) ; 7) 8) 9) , 
.
1. 
(4; 2; 5), 
(0; 7; 2), 
(0; 2; 7), (1; 5; 0).
2. (4; 4; 10), (4; 10; 2), (2; 8; 4), (9; 6; 4).
3. (4; 6; 5), (6; 9; 4), (2; 10; 10), (7; 5; 9).
4. (3; 5; 4), (8; 7; 4), (5; 10; 4), (4; 7; 8).
5. (10; 6; 6), (-2; 8; 2), (6; 8; 9), (7; 10; 3).
6. (1; 8; 2), (5; 2; 6), (5; 7; 4), (4; 10; 9).
7. (6; 6; 5), (4; 9; 5), (4; 6; 11), (6; 9; 3).
8. (7; 2; 2), (5; 7; 7), (5; 3; 1), (2; 3; 7).
9. (8; 6; 4), (10; 5; 5), (5; 6; 8), (8; 10; 7).
10. (7; 7; 3), (6; 5; 8), (3; 5; 8), (8; 4; 1).
3
1. + 3y 5 = 0. , P(-1; 0) . .
2. 3y + 10 = 0 + 4y 4 = 0; (0; 1). . .
3. + 2y + 2 = 0 + y 4 = 0, x 2 = 0. . .
(-3; 3) (5; -1) (4;3) . . .
(-3; -2), (4; -1), (1; 3) ( II ). , . . .
6. 5 4y + 15 = 0 4 + y 9 = 0.
(0; 2). . .
(2; -2) (3; -1) (1; 0) . , . .
|
|
|
8. + y = 4 y = 2x (0; 2). . .
9. x 2y +1 = 0 y 1 = 0 (1; 3). . .
10. 5x 2y 8 = 0 3x 2y 8 = 0, . . .
4
1. , (5; 0) 2:1.
2. , (-1; 0) = -4.
3. , (2; 0) 5 + 8 = 0 , 5:4.
, (4; 0), (1; 0).
5. , (2; 0) 2x + 5 = 0 , 4:5.
