1. -2
2. -1
3. 1
4. 2
2
1. y2+6x = 0
2. y2+6x = 13
3. y2+6x = 10
4. x2+6y = 13
y<sup>2</sup>+6x = 13
1. x2 + y2 - 4x - 6y -16 =0
2. x2 + y2 - 4x - 6y -20 =0
3. x2 + y2 - 4x - 6y -12 =0
4. x2 + y2 + 4x + 6y -12=0
x<sup>2</sup> + y<sup>2 </sup>- 4x - 6y -12 =0
1. 60o
2. tan -1(1/2)
3. tan -1(3/5)
4. 135o
135<sup>o</sup>
1. 3x2 + 3y2 -8x -13y = 0
2. 3x2 + 3y2 -8x +29y= 0
3. 3x2 + 3y2 +8x +29y = 0
4. 3x2 + 3y2 -8x -29y = 0
3x<sup>2</sup> + 3y<sup>2 </sup>-8x +29y= 0
1. 0
2. 1
3. 2
4. 3
1
1. 0
2. a + b + c
3. (a + b + c )2
4. ( a + b + c )3
( a + b + c )<sup>3</sup>
1. 1/√5
2. 1/2
3. 3/5
4. 4/5
3/5