1. (h/2,h/2)
2. (k/2,k/2)
3. [(h+k)/2,(h+k)/2]
4. (-h/2,-h/2)
[(h+k)/2,(h+k)/2]
1. x2+y2-4x-4y+4=0
2. x2+y2-2x-2y=0
3. x2+y2-2x-2y+1=0
4. x2+y2-4x-4y=0
x2+y2-2x-2y+1=0
1. 8
2. 16
3. 32
4. 64
32
1. x+y=0
2. x-y=0
3. xy=0
4. xy=a2
xy=0
1. 12m2+7m-12=0
2. 16m2-24m+9=0
3. 12m2-7m-12=0
4. 9m2+24m+16=0
12m2-7m-12=0
1. √5
2. 2√5n
3. 3√10
4. √(5/2)
3√10
1. 96
2. √96
3. 9√6
4. 6√8
√96
1. 16
2. 2
3. 8
4. 4
4
1. a2-k2
2. √(k2-a2)
3. √(a2+k2)
4. √(a2-k2)
√(a2-k2)
1. 10
2. 11
3. 12
4. 13
12