Mathematics, 02.09.2020 05:01 Sjanaya853
11. Through (-3,-5), perpendicular to -2x - 5y = -19
A. y=2/5x+2/5 B. y=3/5x-19/5 C. y=-5/2x+5/2 D. y=5/2x+5/2
12. Through (-8,1), parallel to -8x + 5y = 89
A. y=-8/5x-69/5 B. y=8/5x+69/5 C. y=8/5x-89/5 B. 5/8x-1/8
14. Through (-8,1), perpendicular to -5x + 9y = 49
A. y=-9/5x-67/5 B. y=-9/5x C. y=-5/9x-67 D. y=9/5x+67/5
Answers: 3
, 
- Components of the given point, dimensionless.
- Slope, dimensionless.
is the slope of the original line, dimensionless.
, and the slope of the perpendicular line is:
, 
and ![y-(-5) = \frac{5}{2}\cdot [x-(-3)]](/tpl/images/0737/9457/ca5e0.png)
- Slope, dimensionless.
.
, 
and 
, then:![y-1 = \frac{8}{5}\cdot [x-(-8)]](/tpl/images/0737/9457/8fbd1.png)
, and the slope of the perpendicular line is:
![y-1 = -\frac{9}{5}\cdot [x-(-8)]](/tpl/images/0737/9457/28dce.png)
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11. Through (-3,-5), perpendicular to -2x - 5y = -19
A. y=2/5x+2/5 B. y=3/5x-19/5 C. y=-5/2x+5/2...
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