Sec 8.2-FocusAns

# Sec 8.2-FocusAns - Section 8.2 1 a Focus Exercise Answers m...

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Section 8.2 Focus Exercise Answers 1. a) m = - 2; b = 1 b) m = 1 4 ; b = - 3 c) m = - 3 8 ; b = 0 d) m = - 1; b = 1 2 e) m = 1; b = 0 f) m = 6; b = - 3.8 g) m = 5 2 ; b = - 2 3 h) m = 1; b = 4 2. a) (0, 6) b) (0, - 4) c) (0, - 1 3 ) d) (0, 2.9) e) (0, 0) f) (0, - 0.4) 3. The lines shown are correct, but you may have gotten different points on the lines. a) Three points: (0, 3), (-2, 5), and (2, 1) c) Three points: (0, 3), (-1, 5), and (2, -1) b) Three points: (0, -5), (-1, -6), and (2, -3) d) Three points: (0, -2), (-1, -5), and (2, 4) x + y y + x -6 (2, -3) (0, -5) (-1, -6) a) b)

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Sec 8.2-FocusAns - Section 8.2 1 a Focus Exercise Answers m...

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