This is a problem using the Pythagorean theorem.
The square of the length required is 122 + 122 + 302 = 1188
The length is the square root of this number; I will leave it to you to extract the square root.
When given two points, use point-slope form
When given a point and the intercept, use slope-intercept form.
When given a point and the slope, use point slope form.
Answer:
-91 <= 10 x n - 1
Step-by-step explanation:
I think x is 20 I’m not sure tho since it would come out as -10 instead of positive