Sec 8.1-FocusAns

Sec 8.1-FocusAns - Section 8.1 1 a 20 10 = 10 True b Yes(10...

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Section 8.1 Focus Exercise Answers 1. a) 20 – 10 = 10 True b) - 10 – 0 = 10 False c) 0 + 10 = 10 True Yes , (10, 2) is a solution. No , (- 5, 0) is not a solution. Yes , (0, - 2) is a solution. 2. a) 0 = 9 – 4 False b) - 1 = 3 – 4 True c) - 4 = 0 – 4 True No , (6, 0) is a not solution. Yes , (2, - 1) is a solution. Yes , (0, - 4) is a solution. 3. x + y y + x (5, 4) 3 6 -3 -6 3 6 -3 -6 (2, -5) (-1, -4) (-3, 1) 4. a) (3, 3) b) (1, 5) c) (- 6, 5) d) (- 3, 2) e) (- 7, - 3) f) (- 1, - 1) g) (4, - 4) h) (5, - 1) 5. a) Quadrant IV b) Quadrant III c) Quadrant II d) Quadrant I e) Quadrant III f) Quadrant II g) Quadrant IV h) Quadrant I 6. a) on the positive y-axis b) on the negative x-axis c) on the positive x-axis

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This note was uploaded on 01/13/2012 for the course MATH 52 taught by Professor Janetfrewing during the Fall '10 term at Riverside Community College.

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Sec 8.1-FocusAns - Section 8.1 1 a 20 10 = 10 True b Yes(10...

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