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Leabhar Iomlán - Cogg

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Triailcheisteanna 4.41. x y 42. 3x y 10 03. 4x y 17 04. (ii) (1, 2)(iii) x 2y 7 05. 4x y 2 06. (2, 5); r √ ___37 ; x 6y 9 07. 58. (3, 2); r √ __59. (3, 1), r 5; c 38, 1210. k 3, 1_912. (x 2) 2 (y 1) 2 5_2(nó 2x 2 2y 2 8x 4y 5 0)13. mx y 0; y 0; 4x 3y 014. mx y 3m 5 0; y 5 0;24x 7y 37 015. 3 x 4y c 0; 3x 4y 8 0;3x 4y 22 016. (i) √ __5(ii) (x 3) 2 (y 5) 2 5(iii) 2x y 6 017. (i) (5k, 3) (ii) k 2 (iii) d 5318. (i) r 3 (iii) 419. (7, 1); r 4; 520. √ ___1021. 3 √ __222. c 12Triailcheisteanna 4.51. (1, 2) agus (2, 1)2. (1, 3)3. (2, 1)4. (i) (4, 2) agus (1, 7)(ii) (1, 4) agus (3, 4)(iii) (2, 1) agus (0, 5)5. (2, 5)6. (i) (3, 1) agus (1, 1)(ii) (1, 0)(iii) (x 1) 2 y 2 57. (6, 0) agus (2, 0); 8 n-aonad8. (0, 7) agus (0, 1); 8 n-aonad9. a 6, b 110. 6 n-aonad11. 2x y 3 0; (2, 1) agus (1, 5)12. 3x 4y 9 0; (1, 3)13. (3, 4) agus (5, 2)14. (i) (1, 4)(ii) Éirí na réalta: (3, 1); Dul faoi na réalta: (1, 1)Triailcheisteanna 4.61. s 1 : (1, 0); r 4; s 2 : (7, 8); r 62. (2, 1); r 5; (8, 9); r 5; |c 1 c 2| 104. Go seachtrach5. (ii) x y 9 0 (iii) (4, 5)6. (i) r 5(ii) (x 3) 2 (y 0) 2 5 27. (iii) 2 √ __7 aonad8. (i) (4, 5)(ii) x 2 y 2 8x 10y 16 09. (x 5_2 ) 2 (y 2) 2 ( 5_2 ) 2[nó x 2 y 2 5x 4y 4 0]10. (i) r √ ___30(ii) (x 1) 2 (y 4) 2 3011. (i) (3, 4)(ii) (x 3) 2 (y 4) 2 2512. (3, 2); r 5; k 36Triailcheisteanna 4.71. (x 3) 2 (y 4) 2 162. (x 3) 2 (y 2) 2 93. (i) y 5(ii) (x 5) 2 (y 5) 2 25(iii) x 104. (ii) r 4(iii) (6, 4)(iv) (x 6) 2 (y 4) 2 165. (i) r 4(ii) (4, 5)(iii) (x 4) 2 (y 5) 2 166. x 2 y 2 8x 6y 16 07. x 2 y 2 8x 6y 9 08. (x 6) 2 (y 5) 2 25; (x 4) 2 (y 5) 2 25Cuir triail ort féin 4Ceisteanna A1. (i) √ ___13 (ii) (x 1) 2 (y 5) 2 132. (1, 2); r √ ___14 ; x 2 y 2 143. (x 2) 2 (y 3) 2 95. (x 1) 2 (y 1) 2 86. P (11, 0); Q (1, 0)7. (1, 2); r 1; k 0, 28. 410. (x 6) 2 (y 8) 2 29Ceisteanna B1. (3, 1); r √ ___13 ; 2x 3y 22 02. (ii) p 0 nó p __ 1235Téacs agus Trialacha 4197

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