## 1honey Group Title write an equation of the line containing the given point and perpendicular to the given line (7,9);2x+y=3 3 years ago 3 years ago

1. polpak Group Title

Do you know how perpendicular lines are related to eachother?

2. polpak Group Title

It has to do with their slopes.

3. 1honey Group Title

yes

4. polpak Group Title

How are they related?

5. 1honey Group Title

that i don't understand how

6. polpak Group Title

I will tell you. Their slops are negative reciprocals of eachother. So if line 1 has a slope $$\frac{a}{b}$$ then a perpendicular line 2 would have a slope of $$\frac{-b}{a}$$

7. polpak Group Title

So what is the slope of the line you've been given?