A line has the following standard equation form:
y = m x + b
where m is the slope and b is the y intercept
So if Ariel cannot find the slope, then this would only
mean that m = 0, there is no slope. And hence the line is either a straight
vertical line or straight horizontal line.
Answer:
<span>There is no slope</span>
I believe she hike 33.33% of the trail
Answer:
X = 9 or x = -9
Step-by-step explanation:
We want to solve the quadratic equation
![{x}^{2} - 4 = 77](https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%204%20%3D%2077)
We shall use the square root method
Let us add 4 to both sides to get:
![{x}^{2} - 4 + 4 = 77 + 4](https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%204%20%2B%204%20%3D%2077%20%2B%204)
![{x}^{2} = 81](https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20%3D%2081)
We take square to get:
![x = \pm \sqrt{81}](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cpm%20%5Csqrt%7B81%7D%20)
![x = \pm9](https://tex.z-dn.net/?f=x%20%3D%20%20%5Cpm9)
The solution is x=9 or -9
Commutative Property states ab = ba