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|00000030| 61 72 6b 72 69 67 68 74 | 7b 43 68 61 70 74 65 72 |arkright|{Chapter|
|00000040| 20 31 3a 20 41 6e 73 77 | 65 72 73 20 32 7d 0a 5c | 1: Answ|ers 2}.\|
|00000050| 62 65 67 69 6e 7b 64 6f | 63 75 6d 65 6e 74 7d 0a |begin{do|cument}.|
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|00000070| 41 6e 73 77 65 72 73 20 | 32 20 5c 68 66 69 6c 6c |Answers |2 \hfill|
|00000080| 20 4a 61 63 6b 20 4b 2e | 20 43 6f 68 65 6e 20 5c | Jack K.| Cohen \|
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|000000f0| 20 20 20 24 79 20 3d 20 | 78 20 2b 20 35 24 3a 20 |   $y = |x + 5$: |
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|00000a10| 36 2c 20 6b 20 3d 20 30 | 2c 20 31 2c 20 5c 6c 64 |6, k = 0|, 1, \ld|
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|00000b10| 20 59 65 73 2e 0a 20 20 | 20 20 20 20 20 20 5c 69 | Yes..  |      \i|
|00000b20| 74 65 6d 20 59 65 73 2e | 0a 20 20 20 20 20 20 20 |tem Yes.|.       |
|00000b30| 20 5c 69 74 65 6d 20 59 | 65 73 2c 20 62 75 74 20 | \item Y|es, but |
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|00000bc0| 6c 61 20 69 73 3a 20 24 | 79 20 2d 20 79 5f 31 20 |la is: $|y - y_1 |
|00000bd0| 3d 20 6d 20 28 78 20 2d | 20 78 5f 31 29 24 2c 20 |= m (x -| x_1)$, |
|00000be0| 77 68 65 72 65 20 24 6d | 20 3d 20 28 79 5f 32 20 |where $m| = (y_2 |
|00000bf0| 2d 20 79 5f 31 29 2f 28 | 78 5f 32 20 2d 20 78 5f |- y_1)/(|x_2 - x_|
|00000c00| 31 29 24 2e 20 20 20 49 | 66 20 24 78 5f 31 3d 20 |1)$.   I|f $x_1= |
|00000c10| 78 5f 32 24 2c 20 74 68 | 65 20 66 6f 72 6d 75 6c |x_2$, th|e formul|
|00000c20| 61 20 69 73 3a 20 24 78 | 20 3d 20 78 5f 31 24 2e |a is: $x| = x_1$.|
|00000c30| 0a 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 20 20 |.       | .      |
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|00000c90| 20 20 20 20 0a 20 20 20 | 20 20 20 20 20 5c 69 74 |    .   |     \it|
|00000ca0| 65 6d 20 24 79 20 3d 20 | 6d 20 78 20 2b 20 62 24 |em $y = |m x + b$|
|00000cb0| 0a 20 20 20 20 20 20 20 | 20 5c 65 6e 64 7b 65 6e |.       | \end{en|
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|00000ce0| 64 6f 63 75 6d 65 6e 74 | 7d 0a                   |document|}.      |
+--------+-------------------------+-------------------------+--------+--------+