Pre-Calculus Homework Solutions 72

# Pre-Calculus Homework Solutions 72 - 6 Enter the equations...

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6. Enter the equations in the Y 5 list and graph in the decimal viewing window. KEYSTROKES: 1 6 2 3 1 6 51 2 6 2 4 Use the CALC menu to find the points of intersection. Find the intersection of a and t . KEYSTROKES: [CALC] 5 Lines a and t intersect at ( 2 0.2, 0.7). Find the intersection of b and t . KEYSTROKES: [CALC] 5 Lines b and t intersect at ( 2 0.3, 0.5). Perpendiculars and Distance Page 162 Check for Understanding 1. Construct a perpendicular line between them. 2. Sample answer: You are hiking and need to find the shortest path to a shelter. 3. Sample answer: Measure distances at different parts; compare slopes; measure angles. Finding slopes is the most readily available method. 4. 5. 6. 1. Graph line , and point A .Place the compass point at point A .Make the setting wide enough so that when an arc is drawn, it intersects , in two places. Label these points X and Y . 2. Put the compass at point X and draw an arc above line , . 4. Draw AZ @ #\$ . AZ @ ' , .The segment constructed from point A (2, 2 6) perpendicular to line , appears to intersect line , at ( 2 2, 2 4). Use the
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