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Pre-Calculus Homework Solutions 79

# Pre-Calculus Homework Solutions 79 - (y2 y1(x2 x1 1 5 22 6...

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30. m ¬ ( ( y x 2 2 y x 1 1 ) ) ¬ 1 2 5 2 ¬ 6 4 or 3 2 y y 1 ¬ m ( x x 1 ) y 5 ¬ 3 2 ( x 2) y 5 ¬ 3 2 x 3 y ¬ 3 2 x 2 31. y ¬ mx b y ¬ 2 7 x 4 32. y y 1 ¬ m ( x x 1 ) y ( 4) ¬ 3 2 ( x 2) y 4 ¬ 3 2 x 3 y ¬ 3 2 x 1 33. y ¬ mx b y ¬ 5 x 3 34. m ¬ ( ( y x 2 2 y x 1 1 ) ) ¬ 6 4 ( 1 3 ) ¬ 7 7 or 1 y y 1 ¬ m ( x x 1 ) y ( 1) ¬ 1( x 3) y 1 ¬ x 3 y ¬ x 2 35. AL and BJ , alternate exterior are 36. AL and BJ , consecutive interior are supplementary 37. CF and GK , 2 lines to the same line 38. AL and BJ , alternate interior are 39. CF and GK , consecutive interior are supplementary 40. CF and GK , corresponding are 41. First, write an equation of a line p perpendicular to y 2 x 4 and y 2 x 1. The slope of p is the opposite reciprocal of 2, or 1 2 . Use the y -intrecept of y 2 x 4, (0, 4), as one of the endpoints of the perpendicular segment. y y 1 ¬ m ( x x 1 ) y ( 4) ¬ 1 2 ( x 0) y 4 ¬ 1 2 x y ¬ 1 2 x 4 Next, use a system of equations to determine the point of intersection of the line y 2 x 1 and p .
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