Geometry: An Interactive Journey to Mastery

8. Find an equation for each of the following lines.
   D௘ͽ $OLQHWKURXJKͼ௘௘ͽDQGͼ௘௘ͽ
   E௘ͽ $OLQHWKURXJKͼ௘í௘ͽDQGSDUDOOHOWRy = 5xí
   F௘ͽ $OLQHWKURXJKWKHPLGSRLQWRIAB and perpendicular to AB, where A ͼ௘íí௘ͽDQGB ͼ௘௘ͽ
   G௘ͽ $OLQHWKURXJKͼ௘í௘ͽDQGSDUDOOHOWRWKHxD[LV
   H௘ͽ $OLQHWKURXJKͼ௘௘ͽDQGSHUSHQGLFXODUWRxíy = 0.
   I௘ͽ $OLQHWKURXJKͼ௘௘ͽDQGSHUSHQGLFXODUWRWKHxD[LV


9. Very quickly write an equation for each of the following lines.
   D௘ͽ slope = 3
   2

y

x

Figure 11.5

 E௘ͽ

5

y

x

Figure 11.6

 F௘ͽ

7

3

y

x

Figure 11.7

G௘ͽ

í



y

x

Figure 11.8

 H௘ͽ

3

y

x

Figure 11.9

 I௘ͽ

2

y

x

ͼͽ

Figure 11.10

J௘ͽ

3

y

x

VORSH í

Figure 11.11