Answer:

Step-by-step explanation:

(x₁, y₁) is the 1st coordinate while (x₂, y₂) is the 2nd coordinate.
Gradient of the line



14 and 15
14^2 = 196
15^2 = 225
225+196 = 421
we know that
A difference of squares problem can be factored as follows:

in this problem we have

Applying difference of squares

the term

substitute

therefore
<u>the answer is</u>

Answer:
M = 1
Step-by-step explanation: