For problem 34, I noticed when I paused the video (to do the problem) that there was a typo. You can use a little intuition to figure out those signs.
Put it into slope intercept form, 2x-10 [ s ] 5y (s = sign "variable" that I am seeking). Divide both sides by 5 you get 2/5 x - 2 [ s ] y. So I look at this and I think if x = 5 then I get 2 - 2 [ s ] y. Well that would be 0 [ s ] y. If x was 5 and y is setup to be 0 then i know that the sign must be less than. Hope that helps!
for 35 i put the coefficients into a matrix, then got a row of zeroes.
SpoiledLogic 1 year ago
For problem 34, I noticed when I paused the video (to do the problem) that there was a typo. You can use a little intuition to figure out those signs.
Put it into slope intercept form, 2x-10 [ s ] 5y (s = sign "variable" that I am seeking). Divide both sides by 5 you get 2/5 x - 2 [ s ] y. So I look at this and I think if x = 5 then I get 2 - 2 [ s ] y. Well that would be 0 [ s ] y. If x was 5 and y is setup to be 0 then i know that the sign must be less than. Hope that helps!
truami 2 years ago
Thanks so much for doing these videos.
Winsunn307 3 years ago
Comment removed
skittlejones 3 years ago