1. (-1, 2)
2. (2, -1)
3. (-2, 1)
4. (1, -2)
(-2, 1)
1. 2x + 3y = 10
2. 8x + 2y = 10
3. 2x - 3y = 10
4. 8x - 2y = 10
2x + 3y = 10
1. 1
2. 2
3. 3
4. 4
4
1. [1-(1/√2), 1-(1/√2)]
2. [1-(1/√2), (1/√2)]
3. [1/√2, 1/√2]
4. [1/√2, 1-(1/√2)]
[1/√2, 1/√2]
1. (1, 3)
2. (3, 1)
3. (-1, 3)
4. (1, -3)
(1, 3)
1. a2+b2 = h2
2. (a+b)2 = 4h2
3. a2+b2 = 4h2
4. (a+b)2 = h2
(a+b)<sup>2</sup> = 4h<sup>2</sup>
1. -9ab
2. 9ab
3. -7ab
4. 7ab
9ab
1. √6
2. √3
3. √5
4. √7
√3
1. (-2, 3, 4)
2. (2, -1, 3)
3. (2, 3, -1)
4. (3, 2, -1)
(2, 3, -1)
1. a < b < c
2. a > b > c
3. b< a < c
4. a < c < b
a < b < c