# hw103 - 10.3 Pages 528-529 # 1-41 odd 1. x2 + y 2 2 x + 2 y...

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10.3 Pages 528-529 # 1-41 odd 1. 22 2210 xy ++ + = (– 21 ) ( 21 )– 1 1 1 xx yy ++ + += ++ 1 ) ( 1 ) 1 ++ = This is a circle centered at () 1, 1 . 3. 9 4 72 –16 124 0 += 9( 8 16) 4( – 4 4) –124 144 16 ++ + + + 9( 4) 4( – 2) 36 = This is an ellipse centered at 4, 2 . 5. 9 4 72 –16 160 0 9( 8 16) 4( – 4 4) –160 144 16 9( 4) 4( – 2) 0 = This is a point, 4, 2 . 7. 2 5– 4– 6 0 yx y = 2 4 4 )564 x +=++ 2 ( – 2) 5( 2) =+ This is a parabola with vertex at ( ) 2, 2 . 9. 3 3 – 6 12 60 0 xyxy + = 3( – 2 1) 4 4) –60 3 12 + + = 3( –1) 2) –45 ++= This is the empty set. 11. 4 81 2– 50 = 9 4( 2 1) – 4 – 3 5 4 – 9 4  + =+   2 2 3 4( 1) – 4 0 2 This is two intersecting lines, intersecting at 1, 3 / 2 . 13. 2 2 43 60 2 4( – 6 9) –36 36 += + 2 4( – 3) 0 x = This is a line.

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15. 22 (3 ) (2 ) 1 41 6 xy ++ += 23. 42 1 6 1 0 xyxy + −+ + = ( 2 1 ) 4 ( 4 4 ) 111 6 xx yy + + = −++ (1 )4 ( 2 ) 1 6 ++= ) ( 2 ) 1 16 4 −+ + = 17. ) 1 6 −= 25. 9 16 54 64 127 0 xyx y ++−= 9( 6 9) 16( 4 4) 127 81 64 + +− − += +− 9( 3) 16( 2) 144 ) 1 16 9 = 19. 2 (2 )8 ) +=− 21. 2 )1 6 y 14 y −=± 5, 3 == 27. 2 6 1 6 3 2 0 y + = 2 4( 4 4) 16 32 16 y + += −+ 2 4( 2) 16( 1) + =− 2 ) +
29.
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## This note was uploaded on 02/25/2010 for the course MATH 201 taught by Professor Kim during the Spring '07 term at SIU Carbondale.

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hw103 - 10.3 Pages 528-529 # 1-41 odd 1. x2 + y 2 2 x + 2 y...

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